Question

Pilar wanted to use estimation to solve a decimal addition problem. She correctly used estimation to rewrite the problem as 12 + 3 + 5 + 6. What could her original problem have been? 12.38 + 4.45 + 4.14 + 6.7 12.5 + 3.05 + 5.23 + 0.6 11.5011 + 3.6 + 5.17 + 5.7 11.75 + 3.299 + 5.31 + 6.27

Answer 1

Answer:

11.75 + 3.299 + 5.31 + 6.27

Step-by-step explanation:

X 12.38 + 4.45 + 4.14 + 6.7 ≈ 12 + 4 + 4 + 7 = 27 X

X 12.5 + 3.05 + 5.23 + 0.6 ≈ 13 + 3 + 5 + 1 = 22 X

X 11.5011 + 3.6 + 5.17 + 5.7 ≈ 12 + 4 + 5 + 6 = 27 X

11.75 + 3.299 + 5.31 + 6.27 ≈ 12 + 3 + 5 + 6 = 26 Correct

Answer 2

Answer:

Answer is up there

Step-by-step explanation: