Answer:
R30 : R60
Step-by-step explanation:
sum the parts of the ratio, 1 + 2 = 3 parts
Divide the amount by 3 to find the value of 1 part of the ratio
R90 ÷ 3 = R30 , then
2 parts = R30 × 2 = R60
R90 in ratio 1 : 2 = R30 : R60
