A grass fertilizer is sold in 5-pound bags. Stuart calculates that he needs enough fertilizer to cover 4,350 square feet. If each pound of fertilizer covers 362.5 square feet, how many 5-pound bags does Stuart need to buy?

12 bags

Step-by-step explanation:

Step 1

Y = Number of bags needed

first we substitute our values with variables.

Step 2

362.5y = 4,350

make our equation.

Step 3

362.5y = 4,350

/362.5     /362.5

y = 12

Solve for y by getting it alone on one side of the equation.

I hope this helped :)

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option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have