Question

determine if the 450m:3km and 75cm to 7m ratio form a proportion

Answer 1

$450m = 0.45km \\ \frac{0.45km}{3km} = \frac{0.15}{1} \\75cm = 0.75m \\ \frac{0.75m}{7m} = \frac{0.75 }{7} \\ plz \: mark \: as \: brainliest....$

Answer 2

Answer:

The ratios are not equal,so they are not proportion.

Step-by-step explanation:

1km=1000m

3km =3000m

=450m : 3000m

=450/3000

=1/12

=1:12

1 m = 100 cm

7 m = 700 cm

=100cm:700cm

=100/700

=1/7

=1:12