Question

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

Round each number to the nearest whole number.

320

310

315

316

Answer 1

316 is the best estimate!

225.45 + 90.32 = 315.77 , which rounds up to 316 as a whole number. Any number greater than 5 rounds up!

Hope i helped u!

Answer 2

316 is your answer! 225.45+90.32=315.77. Anything greater than 0.50 will round up theoretically. Anything 0.49 or lower will theoretically round down.