Question

EXERCISE 9A
1. If 15 oranges cost 110, what do 39 oranges cost?​

Answer 1

Answer:

312

Step-by-step explanation:

Cost of 15 oranges = 110

Cost of 1 orange = 110/15 = 8

Cost of 39 oranges = Cost of 1 orange × 39

Cost of 39 oranges = 8 × 39

Cost of 39 oranges = 312

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Answer 2

Answer:

Cost of 15 oranges =110

Cost of 1 orange=110÷15

Cost of 39 oranges=(110÷15)×39=286

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