Gina bought 5 hot dogs and 3 drinks for 11.50. Renaldo bought 4 hot dogs and 2 drinks for 8.50.How much does each hot dog and dr
ink cost
1 answer:
5h + 3d = 11.50 * 2
4h + 2d = 8.50 * 3
10h + 6d = 23
12h + 6d = 25.50
subtract the former equation from the latter:-
2h = 2.50
h = 1.25
so susbstituting in the second equation
4(1.25) + 2d = 8.50
5 + 2d = 8.50
2d = 3.50
d = 1.75
hot dogs cost $1.25 and drinks cost $1.75
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