A piece of cloth is 15 ft long. If 2.1 ft at one end are damaged, how many feet of cloth are undamaged?

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Multiple Choice

A piece of cloth is 15 ft long. If 2.1 ft at one end are damaged, how many feet of cloth are undamaged?

Explanation:
Subtracting a decimal from a whole number to find what’s left. The cloth is 15 ft long and 2.1 ft is damaged, so subtract the damaged portion from the total to get the undamaged length. Align the decimals: 15.0 minus 2.1 equals 12.9. So 12.9 ft remain undamaged. If you check the other numbers, they would correspond to different damaged amounts (for example, 13.5 would mean 1.5 ft damaged, 15.0 would mean nothing damaged, and 10.9 would mean 4.1 ft damaged), which aren’t given.

Subtracting a decimal from a whole number to find what’s left. The cloth is 15 ft long and 2.1 ft is damaged, so subtract the damaged portion from the total to get the undamaged length. Align the decimals: 15.0 minus 2.1 equals 12.9. So 12.9 ft remain undamaged. If you check the other numbers, they would correspond to different damaged amounts (for example, 13.5 would mean 1.5 ft damaged, 15.0 would mean nothing damaged, and 10.9 would mean 4.1 ft damaged), which aren’t given.

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