Question

If 2A=3B and 4B= 5C find A:C.

Answer 1

=A=3B/2

=C=4B/5

Then,

=A:C=(3B/2):(4B/5)

=(A/C)=(3B/2)/(4B/5)

=(A/C)=(3B/2)×(5/4B)

=(A/C)=(15/8)

=A:C=15:8