BTGmoderatorDC wrote:The price of Martha's meal was $10, and she left a tip that was r percent of the price of her meal. Sam left a tip that was s percent of the price of his meal. If Martha and Sam each left a tip of $1.50, what was the price of Sam's meal?
(1) s = 20
(2) s = 4/3r
Given Same left a tip of $1.50, which is s% of the price of the meal, the price of the meal = 1.50/s% = 1.50*(100/s) = 150/s.
If we get the value of s, we get the answer.
Given Martha left a tip of $1.50, which is r% of the price of the meal ($10), 10 = 1.50/r% => r% = 1.5/10 => r = 15
Let's take each statement one by one.
(1) s = 20
Sufficient.
(2) s = (4/3)r
s = (4/3)*15 = 20
Sufficient.
The correct answer:
D
Hope this helps!
-Jay
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