Gold, blue and red cloths are sold in 30 cm, 10 cm and 90 cm long respectively. Flynn wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
- gold cloth
- blue cloth
- red cloth
(a)
LCM of 30, 10 and 90 is 90.
Number of rolls for gold cloth
= 90 ÷ 30
= 3
(b)
Number of rolls for blue cloth
= 90 ÷ 10
= 9
(c)
Number of rolls for red cloth
= 90 ÷ 90
= 1
Answer(s): (a) 3; (b) 9; (c) 1