SOLUTION: A vending machine contains $11.50 in dimes and nickels. If there are 161 coins in total, how many nickels are there?
(- please if possible only use on variable to solve)
Thank yo
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(- please if possible only use on variable to solve)
Thank yo
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Question 1177893: A vending machine contains $11.50 in dimes and nickels. If there are 161 coins in total, how many nickels are there?
(- please if possible only use on variable to solve)
Thank you so much! Answer by ikleyn(52803) (Show Source):
x = the number of dimes
161-x = the number of nickels.
Total money equation
10x + 5*(161-x) = 1150 cents.
The solution
x = = 69.
ANSWER. 69 dimes and 161-69 = 92 nickels.
CHECK. 69*10 + 92*5 = 1150 cents total value. ! correcxt !
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