1.

24% of ____ = 21.6

To find the value of the blank, you can set up an equation using the proportion:

(24/100) * x = 21.6

where x is the value of the blank. To solve for x, you can divide both sides of the equation by 24/100:

x = 21.6 * (100/24)

x = 90

So, 24% of 90 is equal to 21.6

2

____ of 20 = 14

To find the percentage, you can set up an equation using the proportion:

x/100 = 14/20

where x is the percentage. To solve for x, you can cross-multiply and divide:

x = (14/20) * 100

x = 70

So, 70% of 20 is equal to 14

3

43% of ____ = 3.44

To find the value of the blank, you can set up an equation using the proportion:

(43/100) * x = 3.44

where x is the value of the blank. To solve for x, you can divide both sides of the equation by 43/100:

x = 3.44 * (100/43)

x = 8

So, 43% of 8 is equal to 3.44