Question

a piece of wood is cut in the ratio 3:7 if the shorter piece is 45 cm long,how long is the whole piece of wood?

Answer 1

150 cm

Explanation:

45/3 * 10 = 15 * 10 =150

check: 150 * 0.3 = 45

150 * 0.7 = 105

105+45 = 150