GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video

 It is currently 03 Jun 2020, 21:24

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 64234
Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6  [#permalink]

### Show Tags

09 Aug 2019, 01:01
00:00

Difficulty:

45% (medium)

Question Stats:

67% (02:02) correct 33% (02:33) wrong based on 49 sessions

### HideShow timer Statistics

Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6 in. long, the second piece is 2 yd. 1 ft. 5 in long, and the third piece is 4 yd. 2ft. 8in long. How much material does Sally have? (1 yard = 3 feet and = 36 inches)

A. 7 yd. 1 ft. 8 in.
B. 8 yd. 4 ft. 4 in.
C. 8 yd. 11 in.
D. 9 yd. 7 in.
E. 10 yd.

_________________
CrackVerbal Representative
Affiliations: CrackVerbal
Joined: 03 Oct 2013
Posts: 1817
Location: India
GMAT 1: 780 Q51 V46
Re: Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6  [#permalink]

### Show Tags

09 Aug 2019, 19:47
Quote:
Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6 in. long, the second piece is 2 yd. 1 ft. 5 in long, and the third piece is 4 yd. 2ft. 8in long. How much material does Sally have? (1 yard = 3 feet and = 36 inches)

A. 7 yd. 1 ft. 8 in.
B. 8 yd. 4 ft. 4 in.
C. 8 yd. 11 in.
D. 9 yd. 7 in.
E. 10 yd.

The right answer here is D. This is a very simple question, so instead of going over the basic math itself, let's look at how we can solve such questions faster instead. Since our task is simply to add the lengths up, lets try to get a ball-park estimate of the amount. We see 1 + 2 + 4 yds, so the figure is certainly over 7, and possibly more than 8 (since we haven't looked at feet and inches yet). We then see 2 + 1 + 2 ft, which is nearly 2 more yards. From this, we can ascertain that the total has to be in the very high 8s, or over 9. This leads us straight to option D.

The real challenge is that you might get an easy question like this early on, but still take time on it out of wanting to be very sure of the answer. What is essential is that you note the options available, and recognise that calculating an exact answer is not necessary so long as you can confirm that it must be a single option.

- Matoo
_________________
- CrackVerbal Prep Team

Register for the Free GMAT Kickstarter Course : http://bit.ly/2DDHKHq

Register for our Personal Tutoring Course : https://www.crackverbal.com/gmat/personal-tutoring/

Join the free 4 part GMAT video training series : http://bit.ly/2DGm8tR
Senior Manager
Joined: 27 Feb 2014
Posts: 277
Location: India
GMAT 1: 570 Q49 V20
GPA: 3.97
WE: Engineering (Education)
Re: Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6  [#permalink]

### Show Tags

10 Aug 2019, 23:58
Total is 7 yard, 5ft, 19in
19in =12in +7in = 1ft, 7in

So total is 7 yard, 6ft, 7in
=9 yard, 7in

D is correct

Posted from my mobile device
_________________
Inspired by great content in some best books on GMAT, I have created my own YouTube channel-QUANT MADE EASY! I would love some support and feedback. Please hit subscribe and check it out!

Target Test Prep Representative
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 10651
Location: United States (CA)
Re: Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6  [#permalink]

### Show Tags

12 Aug 2019, 18:27
Bunuel wrote:
Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6 in. long, the second piece is 2 yd. 1 ft. 5 in long, and the third piece is 4 yd. 2ft. 8in long. How much material does Sally have? (1 yard = 3 feet and = 36 inches)

A. 7 yd. 1 ft. 8 in.
B. 8 yd. 4 ft. 4 in.
C. 8 yd. 11 in.
D. 9 yd. 7 in.
E. 10 yd.

The first piece is 3 feet + 2 feet + 6 inches = 5 feet 6 inches

The second piece is 6 feet + 1 foot + 5 inches = 7 feet 5 inches

The third piece is 12 feet + 2 feet + 8 inches = 14 feet 8 inches

The total is 26 feet and 19 inches = 27 feet and 7 inches

Since 27 feet is 27/3 = 9 yards, she has 9 yards and 7 inches of material.

Alternative solution:

Adding the lengths of the three pieces of material, we have:

1 yd. 2 ft. 6 in. + 2 yd. 1 ft. 5 in + 4 yd. 2ft. 8in = 7 yd. 5 ft. 19 in.

Since 19 in. = 1 ft. 7 in., so 7 yd. 5 ft. 19 in. = 7 yd. 6 ft. 7 in.

Since 6 ft. = 2 yd., so 7 yd. 6 ft. 7 in. = 9 yd. 7 in.

_________________

# Scott Woodbury-Stewart

Founder and CEO

Scott@TargetTestPrep.com
202 Reviews

5-star rated online GMAT quant
self study course

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

If you find one of my posts helpful, please take a moment to click on the "Kudos" button.

Re: Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6   [#permalink] 12 Aug 2019, 18:27