Tessa needs 313 scoops of mulch to cover 10 square yards in her garden. Ten scoops of mulch would cover x square yards of her garden. If the unit rate remains the same, which of the following explains the value of x?

Question

Panther

Mathematics

18 May, 18:51

Tessa needs 313 scoops of mulch to cover 10 square yards in her garden. Ten scoops of mulch would cover x square yards of her garden. If the unit rate remains the same, which of the following explains the value of x?

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Answers (1)

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Jasmin Mann · Answer 1

In checking for proportion:

a/b = c/d

where: cross products are equal.

ad = bc

313/10 = 10/x

313x = 10 * 10

313x = 100

313x/313 = 100/313

x = 0.319 or 0.32

313/10 = 31.3

10/0.32 = 31.25 or 31.3