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Mathematics 12 Online
OpenStudy (anonymous):

Caleb and Tyree are combining their money to buy computer software. Caleb has saved nineteen dollars and fifty cents, and Tyree has saved twenty-three dollars and seventy-five cents. Use front-end estimation or rounding to estimate the total amount they have to spend on the software. Name the method you used and show your work.

OpenStudy (texaschic101):

front end estimation... 19.50 rounds to 20 23.75 rounds to 20 20 + 20 = 40

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