A. 18 is 20 percent of what number? B. 15 is 25 percent of what number? C. 12 is 30 percent of what number? D. 24 is 40 percent

Question

2 years ago

14

A. 18 is 20 percent of what number? B. 15 is 25 percent of what number? C. 12 is 30 percent of what number? D. 24 is 40 percent

of what number? E. 39 is 60 percent of what number? F. 78 is 30 percent of what number? Question: Represent each as an equation with x as the unknown number, and solve.

Mathematics

2 answers:

3241004551 [841] · Answer 1 · 2022-08-16T15:19:29+03:00

3241004551 [841]2 years ago

5 0

Answer:

18=x*.20

15=x*.25

12=x*.30

24=x*.40

39=x*.60

78=x*.30

Step-by-step explanation:

To solve for x on each, divide the number on the left of the equal side by the number x is being multiplied by. For example, 18/.20=x

ladessa [460] · Answer 2 · 2022-08-16T17:44:26+03:00

ladessa [460]2 years ago

5 0

Answer:

a. 90

b. 60

c. 40

d. 60

e. 65

f. 260

Step-by-step explanation:

a. 18*100= 1800/20=90

b. 15*100= 1500/25= 60

c. 12*100= 1200/30= 40

d. 24*100= 2400/40= 60

e. 39*100= 3900/60=65

f. 78*100= 7800/30= 260