Question

Pedro had $14.90 in his wallet. He spent $1.25 on a drink. How much does he have left? Estimate the answer by rounding to the nearest whole numbers before subtracting. Will your estimate be high or low? Explain. Find the difference. Show your work.

Answer 1

$14.90 rounded to the nearest whole would be $15 and $1.25 would be $1. 15-1 is 14. 14.90-1.25 is 13.65. the estimate was higher than the real answer by $0.35