Orval mows lawns to earn money. He can mow 12 lawns in 4 hours. He earns $15.00 for each lawn. Orval is saving up to buy a new computer that costs $450.00. How many hours does Orval need to work to earn

Orval mows lawns to earn money. He can mow 12 lawns in 4 hours. He earns $15.00 for each lawn. Orval is saving up to buy a new computer that costs $450.00. How many hours does Orval need to work to earn enough money to purchase the computer?

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Orval mows lawns to earn money. He can mow 12 lawns in 4 hours. He earns $15.00 for each lawn. Orval is saving up to buy a new computer that costs $450.00. How many hours does O…

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