algebra
posted by Matt .
The owner of a health food store combined cranberry juice that cost $7.79 per quart with apple juice that cost $7.19 per quart. how many quarts of each were used to make 10 quarts of cranberry juice mixture costing $7.61 per quart

7.79x + 7.19(10x) = 7.61(10)
x = 7
so,
7 quarts at 7.79
3 quarts at 7.19
makes sense, since 7.61 is near to 7.79
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