HopeBordelon4
19.05.2021 •
Mathematics
the cost of 4 pounds of potatoes is 3.56 what is the constant of proportion that relates the cost in dollars y to the number of pounds of potatoes x?
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Ответ:
b = (31a + 168)/624
Step-by-step explanation:
a/8 - 7(3) = 4a - 78(b)
78b = 4a - a/8 + 21
78b = (32-1)a/8 + 21
78b = (31a + 21(8))/8
78b = (31a + 168)/8
b = (31a + 168)/8 × 1/78
b = (31a + 168)/624