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Serena makes $9 per hour cutting lawns. Each day, she earns about $15 in tips. If Serena made no less than $110 on Monday, which inequality represents h, the number of hours she worked on Monday?

Verified Answer :

meerkat18

The total amount Serena earns is the sum of her regular wage and the tips. The amount she earns from the wage is equal to 9h. This total should be more than or equal to $110. This is mathematically expressed as,
                                      9h + 15 ≥ 110

Eduard22sly

The inequality that represents h, the number of hours she worked on Monday is: 9h + 15 ≥ 110

Data obtained from the question

From the question given above, the following data were obtained:

  • Profit per hour  =  $ 9
  • Profit for h hour = $ 9h
  • Tips earned =  $ 15
  • Total profit for Monday = $110
  • Expression =?

How to write the expression

We can write the expression for her total profit as:

(Profit for h hour) + (Tips earned)  ≥ Total profit

9h + 15 ≥ 110

Learn more about inequalities:

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