Question

Round each number to the nearest whole number.

What is the best estimate for the sum of 225.45 + 90.32?

A.
310

B.
315

C.
316

D.
320

Answer 1

We can round 225.45 and 90.32 to the nearest whole number (which will be 225 and 90) and then just add them:

225 + 90 = 315

Answer B

I hope it will help you ;)

Answer 2

225.45 + 90.32 = 315.77

315.77 rounds to 316 because 7 is greater than 5.