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I am not sure I understand the question but 31% of 78 is:

0,31 * 78 = 24 (24,18 rounded to two significant figures)

Q: How do you use 1 percent or 10 percent to estimate the percent of 31 percent of 78?

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24 is a reasonable estimate. (78% of 31 is 24.18).

It is 31*10/100 = 3.1

10 ÷ 31 * 100% = 32.26%

To find 31 percent of a number, multiply the number by 0.31. In this instance, 0.31 x 10 = 3.1. Therefore, 31 percent of 10 is equal to 3.1.

Expressed as a percentage, 31/10 x 100 = 310 percent.

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24 is a reasonable estimate. (78% of 31 is 24.18).

It is 31*10/100 = 3.1

10 ÷ 31 * 100% = 32.26%

31 over 1000 as a percent = (31/10)% or 3.1%31/1000 * 100% = (31/10)% or 3.1%

To find 31 percent of a number, multiply the number by 0.31. In this instance, 0.31 x 10 = 3.1. Therefore, 31 percent of 10 is equal to 3.1.

Expressed as a percentage, 31/10 x 100 = 310 percent.

It is 3 1/10

310% = 31/10

10% of 310= 10% * 310= 0.1 * 310= 31

31/100 * 10 = 3.1 hours (or 3 hours and 6 minutes if you prefer).

less than 31 percent of all americans make $50000

620 divided by 10 = 62 = 10 % 62 divided by 2 = 31 = 5 % 62 + 31 = 93 = 15 % 15 % = 93