Question

if a:b=5:6 and b:c=2.9:3.5.find a:c​

Answer 1

Step-by-step explanation:

a/b = 5/6

b = 6a/5

b/c = 2.9/3.5 equation 1

put value of b in eq1

6a/5 ÷ c = 2.9/3.5

6a/5 × 1/c = 29/35

a/c = 29×5/35×6

a/c = 29/42

a:c = 29:42