SOLUTION: On Monday, Luis picked up seven scones and two large coffees for the office staff. He paid $ 22.30. On Tuesday, Rachel picked up four scones and five large coffees for the of
Question 1135386: On Monday, Luis picked up seven scones and two large coffees for the office staff. He paid $ 22.30. On Tuesday, Rachel picked up four scones and five large coffees for the office staff. She paid $ 20.38. What is the cost of one scone? What is the cost of one large coffee? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the cost of 1 scone
Let = the cost of 1 lg coffee
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(1)
(2)
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Multiply both sides of (1) by
Multiply both sides of (2) by
Subtract (2) from (1)
(1)
(2)
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and
(1)
(1)
(1)
(1)
(1)
One large coffee costs $1.98
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(1)
(1)
(1)
Ok
You can check (2)
