Question

Which is the best estimate of 61.4 + 88.3? A 100 B 140 C 150 D200

Answer 1

To find the best estimate of 61.4 + 88.3 we need to round 61.4 and 88.3 as:

`\begin{gathered} 61.4\approx61 \\ 88.3\approx88 \end{gathered}`

Then, if we sum 61 and 88, we get:

61 + 88 = 149

So, 149 is closest to 150. Therefore, the best estimate of 61.4 + 88.3 is 150

Answer: C. 150