Grey, green and gold cloths are sold in 80 cm, 10 cm and 40 cm long respectively. Lee wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- grey cloth
- green cloth
- gold cloth
(a)
LCM of 80, 10 and 40 is 80.
Number of rolls for grey cloth
= 80 ÷ 80
= 1
(b)
Number of rolls for green cloth
= 80 ÷ 10
= 8
(c)
Number of rolls for gold cloth
= 80 ÷ 40
= 2
Answer(s): (a) 1; (b) 8; (c) 2