Answer:
120 : 30
Step-by-step explanation:
Sum the parts of the ratio, 4 + 1 = 5 parts
Divide 150 by 5 to find the value of one part of the ratio.
150 ÷ 5 = 30 ← value of 1 part of the ratio, thus
4 parts = 4 × 30 = 120
150 in the ratio 4 : 1 is 120 : 30
