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Company A can pave 500 feet of sidewalk in 6 hours, and comp
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16 Jul 2019, 11:15
16 Jul 2019, 11:15
Expert Reply
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Question Stats:
65% (01:43) correct
34% (01:10) wrong based on 32 sessions
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Company A can pave 500 feet of sidewalk in 6 hours, and company B can pave 1,000 feet of sidewalk in 8 hours. At these rates, how many more yards of sidewalk can company B pave in 9 hours than company A can pave in 9 hours? (3 feet = 1 yard)
(A) 125
(B) 166
(C) 333
(D) 375
(E) 500
(A) 125
(B) 166
(C) 333
(D) 375
(E) 500
Re: Company A can pave 500 feet of sidewalk in 6 hours, and comp
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12 May 2020, 13:38
12 May 2020, 13:38
Expert Reply
A can pave in 6 hours = 500 ft
A can pave in 1 hour = 500/6 ft
B can pave in 8 hours = 1000 ft
B can pave in 1 hour = 1000/8 = 125 ft
A can pave in 9 hours = 500/18 * 9 = 250 Yards (as 3 feet = 1 yard)
B can pave in 9 hours = 125/3 * 9 = 375 Yards
Difference of B from A = 375 - 250 = 125 yards
A can pave in 1 hour = 500/6 ft
B can pave in 8 hours = 1000 ft
B can pave in 1 hour = 1000/8 = 125 ft
A can pave in 9 hours = 500/18 * 9 = 250 Yards (as 3 feet = 1 yard)
B can pave in 9 hours = 125/3 * 9 = 375 Yards
Difference of B from A = 375 - 250 = 125 yards
gmatclubot
Re: Company A can pave 500 feet of sidewalk in 6 hours, and comp [#permalink]
12 May 2020, 13:38
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