LordBooming
10.02.2020 •
Mathematics
A store owner wants to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $13.20 per pound should be mixed with 10 pounds of trail mix costing $3.90 per pound to create a mixture worth $9.16 per pound
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Ответ:
13lbs
Step-by-step explanation:
x = number of pounds of chocolate/lbs
13.20(x) + 3.90(10) = 9.16(x + 10)
13.2x + 39 = 9.16x + 91.6 (x100)
1320x + 3900 = 916x + 9160
404x = 5260
x = 1315/101 = 13.0198 ⇒ 13lbs
Ответ:
100
step-by-step explanation: