Question

Given a:b and b:c, find a:b:c. Write the ratio in simplest form.

a:b=6:10 and b:c=21:33

plz answer quick!!!

Answer 1

Answer:

$lcm \: of \: bs \: or \: (10 \: and \: 21) \\ = 210 \\ then \: new \: a = 6 \times 210 = 1260 \\ new \: b = 210 \\ new \: c = 33 \times 210 = 6930 \\ a : b : c = > 1260 : 210 : 6930$