Answer:
1. 60 cm 2. 135 cm 3. 337.5
Step-by-step explanation:
If the ration is 1:15, then we plug in the new number in place of the one and the rest is to multiply by the new number.
4 cm: X is calculated by multiplying 15 times 4.
Answer: 4 cm:60 cm
Number 2 is 9 cm: X
9 * 15 = 135
Answer: 9 cm:135 cm
22.5 cm: X
22.5 * 15 = 337.5
Answer: 22.5 cm: 337.5
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