Question

Solve the following proportions

1. 15:x=25:40
2. 5/13=x/2
3. 2x-1/2 = 125/5​

Answer 1

Answer:

1) 24 or 24:1

2) 10/13 or 10:13

3) 51/4 or 51:4

Step-by-step explanation:

1) 15/x =25/40

15*40 =25*x (Cross multiplication)

x =(15*40)/25

x =24

2) 5/13 =x/2

5*2 =13*x

x =(5*2)/13

x =10/13

3) 2x-1/2 =125/5

2x =125/5 +1/2

2x =250/10 +5/10

2x =(250+5)/10

2x =255/10

x = 255/10*2

x =51/4

Hope it helps