SOLUTION: three apples and five grapes cost $1.70; five apples and three grapes cost $2.46. What is the cost of one grape?

Question 198128: three apples and five grapes cost $1.70; five apples and three grapes cost $2.46. What is the cost of one grape?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the cost of 1 apple
Let = the cost of 1 grape
given:
(1) (in cents)
(2) (in cents)
Multiply both sides of (1) by
Multiply both sides of (2) by
Subtract (2) from (1)
(1)
(2)
------------------------

The cost of 1 grape is 7 cents
check answer:

and

OK
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