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10) An electrician charges $45 per hour and spends $20 a day on gasoline. If he worked for seven hours, write an algebraic expression to represent his earnings for the day.

Respuesta :

gmercer8539

45(x)-20

x=hours

7 hours

x=7

45(7)-20 =295

Answer:

y = 45(7) - 20

Step-by-step explanation:

Money earned: 45x.

Money spent: 20

Total money: 45x-20

In this case,  if he worked 7 hours, he would make a total of 45(7)-20, or 295 dollars for the day.

Let me know if this  helps!

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