Gigi earned $65 for 5 hours of gardening. She earned $90 for 9 hours of office work. Which statement correctly compares Gigi’s earning per hour for gardening and office work?

For gardening, Gigi earned $65 ÷ 5 = $13 per hour. For office work, she earned $90 ÷ 9 = $10 per hour, so gardening paid $13 − $10 = $3 more per hour. The correct statement is that she earned $3 more per hour for gardening than for office work.

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