Mathematics, 29.06.2019 10:40, lainnn974

Kim and ken are trying to earn at least $400 to buy a mountain bike. kim earns $7 per hour as a youth counselor at camp. ken earns $5 per hour mowing lawns. let x = kim's hours and y = ken's hours. if ken works 40 hours, what is the least number of hours that ken will need to work to meet their goal?

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Kim and ken are trying to earn at least $400 to buy a mountain bike. kim earns $7 per hour as a yout...