GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 16 Oct 2019, 18:00

### 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

# If 7 orchids cost d dollars, then how many dollars will 10 orchids cos

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 58381
If 7 orchids cost d dollars, then how many dollars will 10 orchids cos  [#permalink]

### Show Tags

01 Nov 2018, 00:55
00:00

Difficulty:

15% (low)

Question Stats:

92% (00:31) correct 8% (01:18) wrong based on 29 sessions

### HideShow timer Statistics

If 7 orchids cost d dollars, then how many dollars will 10 orchids cost at the same rate?

A. 70d

B. 70/d

C. 7/(10d)

D. 10d/7

E. d/70

_________________
e-GMAT Representative
Joined: 04 Jan 2015
Posts: 3074
Re: If 7 orchids cost d dollars, then how many dollars will 10 orchids cos  [#permalink]

### Show Tags

01 Nov 2018, 05:16

Solution

Given:
• Cost of 7 orchids = \$d

To find:
• The cost of 10 orchids, in dollars

Approach and Working:
• Cost of 10 orchids = 10 * cost of 1 orchid = $$10 * \frac{d}{7} = \frac{10d}{7}$$ dollars

Hence, the correct answer is Option D

_________________
Re: If 7 orchids cost d dollars, then how many dollars will 10 orchids cos   [#permalink] 01 Nov 2018, 05:16
Display posts from previous: Sort by