Purple, green and pink cloths are sold in 100 cm, 50 cm and 40 cm long respectively. Henry wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- purple cloth
- green cloth
- pink cloth
(a)
LCM of 100, 50 and 40 is 200.
Number of rolls for purple cloth
= 200 ÷ 100
= 2
(b)
Number of rolls for green cloth
= 200 ÷ 50
= 4
(c)
Number of rolls for pink cloth
= 200 ÷ 40
= 5
Answer(s): (a) 2; (b) 4; (c) 5