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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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
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Solution:BTGModeratorVI wrote: ↑Thu Dec 03, 2020 2:46 pmIf 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
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
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Given: David can paint h houses in 1 dayBTGModeratorVI wrote: ↑Thu Dec 03, 2020 2:46 pmIf 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
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
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