Brown, black and white cloths are sold in 10 cm, 80 cm and 30 cm long respectively. Billy wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- brown cloth
- black cloth
- white cloth
(a)
LCM of 10, 80 and 30 is 240.
Number of rolls for brown cloth
= 240 ÷ 10
= 24
(b)
Number of rolls for black cloth
= 240 ÷ 80
= 3
(c)
Number of rolls for white cloth
= 240 ÷ 30
= 8
Answer(s): (a) 24; (b) 3; (c) 8