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Natasha2012 [34]
3 years ago
11

Carys calculates the total amount EEE, in dollars, that she earns for working hhh hours using the equation E=10hE=10hE, equals,

10, h.
How many dollars does Carys earn per hour?
dollars
At that rate, how many hours does it take Carys to earn one dollar?
hours
Mathematics
2 answers:
mihalych1998 [28]3 years ago
7 0

Answer:

  • it takes carys 0.1 hours to earn 10 dollars

Step-by-step explanation:

1. First we want to know how much Carys earns for working 1 hour. Since h gives us the number of hours Carys works, we can substitute h= 1 into the equation and solve for E.

  • E = 10h
  • E = 10 ⋅1
  • E = 10

<em>Carys earns 10 dollars per hour </em>

2. For the second question, we know the total amount Carys earns equals 1  dollar, but we do not know the number of hours. We'll substitute into our original equation again.

  • E = 10h
  • 1 = 10h
  • 1/10 = 10h/10
  • 0.1 = h

<em>It takes Carys 0.1 hours to earn 1 dollar.</em>

  • Carys earns 10 dollars per hour.
  • It takes Carys 0.1 hours to earn 10 dollars.

<em>       </em>

<em>       ⇒ p.s : </em><em>I did this on khan Academy </em>

timurjin [86]3 years ago
4 0

Answer:

  • $10 per hour
  • 0.1 hours

Step-by-step explanation:

To find Carys' earnings in one hour, fill in h=1 in the formula:

  E = 10·1 = 10

Carys earns 10 dollars per hour.

__

To find the number of hours required to earn 1 dollar, fill in E=1 in the formula:

  1 = 10h

  0.1 = h . . . . . divide by 10

It takes 0.1 hours for Carys to earn 1 dollar.

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