If David paints houses at the rate of h houses per day, how many houses does he paint in d days, in terms of h and d?

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BTGModeratorVI: Legendary Member; Posts: 1223; Joined: Sat Feb 15, 2020 2:23 pmFollowed by: 1 member

by BTGModeratorVI » Thu Dec 03, 2020 2:46 pm

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If David paints houses at the rate of h houses per day, how many houses does he paint in d days, in terms of h and d?

A. h/d
B. hd
C. (h + d)/2
D. h - d
E. d/h

Answer: B
Source: Kaplan

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Source: Beat The GMAT — Problem Solving | Thu Dec 03, 2020 2:46 pm

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Scott@TargetTestPrep: GMAT Instructor; Posts: 8190; Joined: Sat Apr 25, 2015 10:56 amFollowed by: 29 members; Location: Los Angeles, CA; Thanked: 43 times

Re: If David paints houses at the rate of h houses per day, how many houses does he paint in d days, in terms of h and d

by Scott@TargetTestPrep » Tue Dec 08, 2020 11:06 am

BTGModeratorVI wrote: ↑
Thu Dec 03, 2020 2:46 pm
If David paints houses at the rate of h houses per day, how many houses does he paint in d days, in terms of h and d?

A. h/d
B. hd
C. (h + d)/2
D. h - d
E. d/h

Answer: B

Solution:

The number of houses David can paint at the rate of h houses per day in d days is h x d = hd.

Answer: B

Scott Woodbury-Stewart
Founder and CEO
[email protected]

See why Target Test Prep is rated 5 out of 5 stars on BEAT the GMAT. Read our reviews

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Brent@GMATPrepNow: GMAT Instructor; Posts: 16207; Joined: Mon Dec 08, 2008 6:26 pmFollowed by: 1268 members; Location: Vancouver, BC; Thanked: 5254 times; GMAT Score:770

Re: If David paints houses at the rate of h houses per day, how many houses does he paint in d days, in terms of h and d

by Brent@GMATPrepNow » Tue Dec 08, 2020 11:52 am

BTGModeratorVI wrote: ↑
Thu Dec 03, 2020 2:46 pm
If David paints houses at the rate of h houses per day, how many houses does he paint in d days, in terms of h and d?

A. h/d
B. hd
C. (h + d)/2
D. h - d
E. d/h

Answer: B
Source: Kaplan

Given: David can paint h houses in 1 day
This means David can paint dh houses in d days [If we multiply the number of workdays by d, the OUTPUT is also multiplied by d]

Answer: B

Cheers,
Brent

Brent Hanneson - Creator of GMATPrepNow.com

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