joanna can buy 15 square yards of carpet for $240 using the same rate how many square yards of carpet can she buy for $320
1 answer:
Answer:
x =20
Step-by-step explanation:
We can use proportions to solve
$240 320
----------- = ------------
15 x
Using cross products
240x = 320 * 15
240x =4800
Divide by 240 on each side
240x/240 = 4800/240
x =20
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