1. 65% of what number is 5.2?

2. 44% of what number is 55?

3. 50% of what number is 7.5?

4. (Fraction percent) 33 & 1 over 3 % of what number is 21?

1) 65% of x=5.2

65/100 of x=5.2

0.65x=5.2

x=5.2/0.65

x=8

2) 44% of x=55

44/100 of x=55

0.44x=55

x=55/0.44

x=125

3) 50% 0f x=7.5

50/100 of x = 7.5

0.5x=7.5

x=7.5/0.5

x=15

4) 100% of x = 21

100/100 of x=21

1x=21

x=21/1

x=21 ...