Answer:
30 , 60 , 150
Explanation:
sum the parts of the ratio
1 + 2 + 5 = 8 parts
divide the quantity by 8 to find the value of one part of the ratio
240 ÷ 8 = 30 ← value of 1 part of the ratio , then
2 parts = 2 × 30 = 60
5 parts = 5 × 30 = 150
240 divided in the ratio 1 : 2 : 5 = 30 : 60 : 150