To find out how much Mai earned in total, we need to add her earnings from mowing lawns and hauling recyclables.
Since Mai earned $7 per hour mowing the lawns, the total amount she earned from mowing lawns can be found by multiplying $7 by the number of hours she worked mowing lawns.
If the number of hours she worked mowing lawns is 'x', then the amount she earned from mowing lawns is 7*x dollars.
Since Mai earned $14 for hauling recyclables, she earned a total of 7*x + $14 = $21. Answer: \boxed{21}.
Mai earns $7 per hour mowing her neighbors' lawns. She also earned $14 for hauling away bags of recyclables for some neighbors.
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