Cheryl is buying lace for her dance costume. One foot of lace costs 3 dollars. How much does each amount cost? 3 feet?

The total cost of the 3 feet lace is $9 and this can be determined by using the arithmetic operations and the given data.

Given :

The following steps can be used in order to determine the total cost of the 3 feet lace:

Step 1 - The arithmetic operations can be used in order to determine the total cost of the 3 feet lace.

Step 2 - According to the given data, one foot of lace costs 3 dollars.

Step 3 - So, let the total cost of the 3 feet lace be 'a'. So, the value of 'a' can be calculated as:

The total cost of the 3 feet lace is $9.

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3 feet would cost 9 dollars

Step-by-step explanation:

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8