Answers

1. The number of hours to work as a landscaper is 12.5 hours.

   Given,

   you work 30 hours per week at a gas station and earn $8.75 per hour.

   You also work as a landscaper for $11 per hour and can work as many hours as you want.

   You want to earn a total of $400 per week.

   We need to find how many hours to work in landscraper to earn $400 a week.

   We have,

   At the gas station:

   $8.75 = 1 hour

   Find the dollars in 30 hours:

   $8.75 = 1 hour

   Multiply 30 on both sides

   30 x $8.75 = 30 x 1 hour

   $262.5 = 30 hours

   At landscaping:

   1 hour = $11

   We need to have $400 a week.

   We already have $262.5 earned from the gas station so we need to earn the remaining dollars from the landscaper.

   Find the remaining dollars:

   = $400 – $262.5

   = $137.5

   Find the number of hours worked as a landscaper:

   We have,

   1 hour = $11

   Multiplying 137.5/11 on both sides

   137.5/11 x 1 hour = 137.5/11 x $11

   12.5 hours = $137.5

   We see that to earn $137.5 he needs to work in the landscraper for 12.5 hours.

   We can also crosscheck:

   30 x $8.75 + 12.5 x $11

   $262.5 + $137.5

   $400

   Thus the number of hours to work as a landscaper is 12.5 hours.

   Learn more about finding the number of hours to work to get a fixed amount here:

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