Answer:
30 : 15
Step-by-step explanation:
sum the parts of the ratio, 6 + 3 = 9 parts
divide 45 by 9 to find the value of one part of the ratio.
45 ÷ 9 = 5 ← value of 1 part of the ratio, thus
6 parts = 6 × 5 = 30
3 parts = 3 × 5 = 15
thus 30 oranges : 15 oranges
