Silver, brown and black cloths are sold in 80 cm, 10 cm and 40 cm long respectively. Jack wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- silver cloth
- brown cloth
- black cloth
(a)
LCM of 80, 10 and 40 is 80.
Number of rolls for silver cloth
= 80 ÷ 80
= 1
(b)
Number of rolls for brown cloth
= 80 ÷ 10
= 8
(c)
Number of rolls for black cloth
= 80 ÷ 40
= 2
Answer(s): (a) 1; (b) 8; (c) 2