Question

a:b=7:4
b:c=2:5
work out a:c

Answer 1

Answer:

7

5 is ans it can be 49 \25 or 7\5

Step-by-step explanation:

a.b=7.8

a=7

b.c=2.5

c=5

Answer 2

Answer:

a:b=7:4=14:8 (Multiple by 2)

b:c=2:5=8:20(Multiple by4)

so,a:c= 14:20= 7:10