Answers

2015-12-13T08:26:39+08:00
Multiply 8 to 30 and 10 to 30.

John runs 240 - 300 miles in 30 days.
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2015-12-13T11:06:29+08:00
Simple ☺ Just multiply it to 30 days.

8 × 30 = 240
10 × 30 = 300

Therefore,

John runs 240-300 miles in 30 days.
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