Black, brown and purple cloths are sold in 20 cm, 100 cm and 10 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?
- black cloth
- brown cloth
- purple cloth
(a)
LCM of 20, 100 and 10 is 100.
Number of rolls for black cloth
= 100 ÷ 20
= 5
(b)
Number of rolls for brown cloth
= 100 ÷ 100
= 1
(c)
Number of rolls for purple cloth
= 100 ÷ 10
= 10
Answer(s): (a) 5; (b) 1; (c) 10