Question

estimate 67.42 + 58.420 by first rounding each number to the nearest whole number.

Explanation:

Step1: Round 67.42 to nearest whole number

The decimal part 0.42 is less than 0.5, so 67.42 rounds to 67.

Step2: Round 58.420 to nearest whole number

The decimal part 0.420 is less than 0.5, so 58.420 rounds to 58.

Step3: Add the rounded whole numbers

$67 + 58 = 125$

Answer:

125