A belt and a wallet cost 42.
7 belts and 4 wallets cost 213.Find the cost of each item
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Step-by-step explanation:
This method is called elimination method
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Answer:
belt is 15
wallet is 27
Step-by-step explanation:
Finding the cost of a belt and wallet
make use of variables:
belt = b
wallet = w
we can make two equations:
b + w = 42
7b + 4w = 213
we can solve this by using the elimination method
make both the variables of b the same
7 ( b + w = 42)
= 7b + 7w =294
now solve
7b + 7w =294
7b + 4w = 213
the 7b cancels out
7w - 4w = 294 - 213
3w = 81
w = 81/3
w = 27
finding the cost of the belt
make use of the value of w which is 27 , place this into the origional first equation
b + w = 42
b + 27 = 42
b = 42 - 27
b = 15
the cost of a belt is 15 and cost of a wallet is 27
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