Silver, black and red cloths are sold in 50 cm, 20 cm and 100 cm long respectively. Glen wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- silver cloth
- black cloth
- red cloth
(a)
LCM of 50, 20 and 100 is 100.
Number of rolls for silver cloth
= 100 ÷ 50
= 2
(b)
Number of rolls for black cloth
= 100 ÷ 20
= 5
(c)
Number of rolls for red cloth
= 100 ÷ 100
= 1
Answer(s): (a) 2; (b) 5; (c) 1