Question

Fran estimated 9% of $21.90 by first rounding 9% to 10% and rounding $21.90 to $20. she then mentally calculated 10% of $20 and got the answer $2. use fran's method to estimate 9% of $32.17. describe the steps

Answer 1

To estimate 9% of $32.17, round 9% to 10%, round $32.17 to $30, and then calculate 10% of $30 to get $3.00.

Step-by-step explanation:

To estimate 9% of $32.17 using Fran's method, follow these steps:

1. Round 9% to the nearest ten, which is 10%.
2. Round $32.17 to the nearest tens place, giving us $30.
3. Calculate 10% of $30 by moving the decimal one place to the left, which gives you $3.00.

This method provides an estimated value that is easy to calculate mentally and is close to the actual amount, which is useful for quick calculations or when an exact figure is not required.