Question

2/5:x=4/5:60 0.2/6.3=X/5 0.6:x=15:1 12:14=X :1/6

Answer 1

(1)

5/2:x=5/4:60

(5/2)/x=(5/4)/60

(5/4)x=(5/2)60

x=120

(2)

6.3/0.2=x/5

x =(6.3/0.2)5

= 6.3

(3)

0.6:x=15:1

0.6/x = 15/1

x=0.6/15

=1/25

(4)

12:14=x:6/1

12/14=(x/6)/1

x = 36/7