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30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi

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30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi [#permalink] New post 24 Sep 2018, 12:07
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Question Stats:

72% (01:09) correct 27% (02:28) wrong based on 47 sessions
30¢ per pound tea X and 40¢ per pound tea Y were mixed to give 10 pounds of tea costing $3.60

Quantity A
Quantity B
Number of pounds of tea X
Number of pounds of tea Y


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: 30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi [#permalink] New post 05 Oct 2018, 20:40
Answer is B
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Re: 30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi [#permalink] New post 11 Sep 2019, 22:54
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First we found the least multiples of 30 and 40 which is 120 (30*4 , 40*3), then we subtract it from 360 we end up with 240 which is 40*6
clearly, B is bigger. There is another choice which is (30*8+40*3) but it is not vaild since 8+3 = 11
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Re: 30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi [#permalink] New post 07 Oct 2019, 21:53
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Mixture

40-36/36-30 = 2/3

Therefore, 2 parts of x and 3 parts of Y
X<Y
A<B
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Re: 30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi [#permalink] New post 09 Oct 2019, 09:55
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assume a to be x pound of tea and b to be y pounds of tea
total 10 pounds
so a+b=10
and 30a + 40b = 360

a=4, b=6
so. B
Re: 30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi   [#permalink] 09 Oct 2019, 09:55
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30¢ per pound tea X and 40¢ per pound tea Y were mixed to gi

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