Question

The ratio of the number of letters delivered to Post Office A to that delivered to Post Office B to that delivered to Post Office C is 3:5: 4. If Post Office C received 72 letters, how many letters did Post Office B receive? What is the total number of letters delivered to all the three post offices?​

EXPLAIN STEP BY STEP

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Answer 1

Answer:

$4 \times \frac{3}{5}$