Grey, green and black cloths are sold in 10 cm, 20 cm and 50 cm long respectively. Valen 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
- black cloth
(a)
LCM of 10, 20 and 50 is 100.
Number of rolls for grey cloth
= 100 ÷ 10
= 10
(b)
Number of rolls for green cloth
= 100 ÷ 20
= 5
(c)
Number of rolls for black cloth
= 100 ÷ 50
= 2
Answer(s): (a) 10; (b) 5; (c) 2