Kia purchased 3 pounds of grapes and spent $11.63 on other items. She spent a total of $20. She used the following steps to find the cost of each pound of grapes.

When Kia subtracts 11.63 from both sides, what does the difference represent?

Question

Mathematics

Pinata

13 September, 21:29

Kia purchased 3 pounds of grapes and spent $11.63 on other items. She spent a total of $20. She used the following steps to find the cost of each pound of grapes.

When Kia subtracts 11.63 from both sides, what does the difference represent?

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Answers (1)

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Jack Schwartz · Answer 1

3x + 11.63 = 20

3x + 11.63 - 11.63 = 20 - 11.63

3x = 8.37

by subtracting the 11.63 from both sides, this tells us how much the grapes cost ... not per lb., but for the total of all the grapes.

Kia purchased 3 pounds of grapes and spent $11.63 on other items. She spent a total of $20. She used the following steps to find the cost of each pound of grapes.When Kia subtracts 11.63 from both sides, what does the difference represent?

Kia purchased 3 pounds of grapes and spent $11.63 on other items. She spent a total of $20. She used the following steps to find the cost of each pound of grapes.

When Kia subtracts 11.63 from both sides, what does the difference represent?