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# A painter charges $12 an hour while his son charges$6 an hour. If fat

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Math Expert
Joined: 02 Sep 2009
Posts: 55801
A painter charges $12 an hour while his son charges$6 an hour. If fat  [#permalink]

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08 Jan 2019, 01:17
00:00

Difficulty:

25% (medium)

Question Stats:

84% (01:07) correct 16% (01:26) wrong based on 24 sessions

A painter charges $12 an hour while his son charges$6 an hour. If father and son work the same amount of time together on a job, how many hours does each of them work if their combined charge for labor is $108? A. 6 B. 8 C. 9 D. 12 E. 18 _________________ VP Joined: 31 Oct 2013 Posts: 1376 Concentration: Accounting, Finance GPA: 3.68 WE: Analyst (Accounting) Re: A painter charges$12 an hour while his son charges $6 an hour. If fat [#permalink] ### Show Tags 08 Jan 2019, 01:21 Bunuel wrote: A painter charges$12 an hour while his son charges $6 an hour. If father and son work the same amount of time together on a job, how many hours does each of them work if their combined charge for labor is$108?

A. 6
B. 8
C. 9
D. 12
E. 18

Both father and son spent equal amount of time.

A) 6

6*12 + 6*6 = 108.

CEO
Joined: 18 Aug 2017
Posts: 3947
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: A painter charges $12 an hour while his son charges$6 an hour. If fat  [#permalink]

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08 Jan 2019, 04:19
Bunuel wrote:
A painter charges $12 an hour while his son charges$6 an hour. If father and son work the same amount of time together on a job, how many hours does each of them work if their combined charge for labor is $108? A. 6 B. 8 C. 9 D. 12 E. 18 12x+6y=108 x=y so 18x=108 x=6 IMO A _________________ If you liked my solution then please give Kudos. Kudos encourage active discussions. e-GMAT Representative Joined: 04 Jan 2015 Posts: 2909 Re: A painter charges$12 an hour while his son charges $6 an hour. If fat [#permalink] ### Show Tags 08 Jan 2019, 05:28 Solution Given: • A painter charges$12 an hour
• His son charges $6 an hour To find: • If both work together on a job, what is the time taken, in hours, to earn$108

Approach and Working: