Ralph bought 3 boxes with 20 pencils each and 4 boxes with 10 pens each. To find the total number of pencils and pens, Ralph evaluated 3 X 20 + 4 X 10 = 100. Is his answer reasonable? Explain.

Question

Ralph bought 3 boxes with 20 pencils each and 4 boxes with 10 pens each. To find the total number of pencils and pens, Ralph evaluated 3 X 20 + 4 X 10 = 100. Is his answer reasonable? Explain.​

mit · Answer

Answer:  Yes. His answer is reasonable.   Explanation:  3 x 20 = 60  4 x 10 = 40  60 + 40 = 100

Doris · Answer

Answer:   yes, his answer is reasonable because three times twenty is sixty, and four times ten is forty. sixty plus forty is 100.   Step-by-step explanation:   3x20=60  4x10=40  40+60=100

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