Question

please do this with full process​

Answer 1

Q2. a) 2:5=8:x - 2×X=5×8

2x=40

x=40÷2

x=20.

b) 3:7=x:21. = 3×21=7×x

63=7x

x=63÷7

x=9

c) 2:x=10:25= 2×25=5×10

50=10x

x=50÷10

x= 5

d) x:12=15:30=. X×30 = 12×15

30x=180

x=180÷30

x=6