15 feet rope sells for 20.25. How much would 21 feet rope cost?

$28.35

Step-by-step explanation:

Divide $20.25 by 15 feet to get around $1.35 per foot.

Then, multiply $1.41 by 21 feet to get your answer...! :>

Thank you to adityakapoor for corrections...!

21 feet rope costs $28.35

Step-by-step explanation:

First, we have to see how much 1 foot rope costs. To do this, we have to do 20.25 / 15

20.25 / 15 = 1.35

Now that we know how much 1 foot costs, now we have to see how much 21 feet costs by doing

1.35 x 21

1.35 x 21 = 28.35

So, 21 feet rope costs $28.35

29 is the correct answer

step-by-step explanation:

step-by-step explanation:

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