a grocery store paid 298.65 for 15 racks of bread.this can be expressed by the equation y=kx.how much would they have paid for 1
1 answer:
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Answer:
3
Step-by-step explanation:
area of square=l*b so
81=3x multiply 3x
81=9x^2
81/9=x^2
9=x^2
=x
3=x