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Mathematics, 29.01.2020 22:43 cravens511peeelg

Kim earns $30 for babysitting on friday nights. she makes an average of $1.25 in tips per hour. write the function of kim's earnings, and solve for how much she would make after 3 hours.
y = 1.25x + 30; $33.75
y = 30x + 1.25; $43.75
y = 30x + 1.25; $91.25
y = 1.25x + 30; $31.25

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