SOLUTION: A restaurant charges $7 for a regular meal and $5 for a child's meal. Both include tax. A family of nine people spent $53 at the restaurant. How many regular meals and how many chi
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Question 448753: A restaurant charges $7 for a regular meal and $5 for a child's meal. Both include tax. A family of nine people spent $53 at the restaurant. How many regular meals and how many children's meal did they pay? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of regular meals
Let = number of child's meals
given:
(1)
(2)
-------------
Multiply both sides of (2) by and
subtract (2) from (1)
(1)
(2)
and, since
(2)
(2)
The number of regular meals is 4
The number of child's meals is 5
check:
(1)
(1)
(1)
