I can't figure this out this problem..
estimate 20% of 131 by using 10%
10% of 131 is one-tenth of 131, which approximates to 13.
20% is twice 10%, so it's also twice of 13 = ?
that would be exactly 26.2
To estimate 20% of 131 using 10%, you can follow these steps:
Step 1: Find 10% of 131.
To find 10% of a number, you can divide the number by 10.
10% of 131 = 131 / 10 = 13.1
Step 2: Double the result from Step 1.
Since you want to estimate 20% of 131, and you have found 10% in Step 1, you can simply double the result to get an estimate for 20%.
2 * 13.1 = 26.2
So, an estimate for 20% of 131 using 10% would be 26.2.