Question

1. Determine if the following are in proportion.
(a) 15, 45, 40, 120
(b) 33, 121,9,96​

Answer 1

Answer:

(a)15,45,40,120

Ratio of 15 ang 45

=15/45

=5/15

=1/3

=1:3

_____________

Ratio of 40 and 120

=40/120

=4/12

=1/3

=1:3

Therefore 15:45=40:120

So 15, 40,45,120 are in proportion