Question

Tina babysits children in her neighborhood. When Tina is asked her rate, she tells her neighbors that she charges $15 for the first hour and $8 for each hour after. If Tina's neighbor asks Tina to babysits for 4 hours, how much will Tina earn? Write an equation to model and solve the problem. Write the answer as an ordered pair and explain the meaning of the ordered pair.

Answer 1

The amount charged is an illustration of a linear equation.

Tina charges $39 for 4 hours

The given parameters are:

$Base = 15$ --- amount charged for the first hour

$Rate = 8$ --- amount charged for the extra hours

If Tina babysits for 4 hours, it means that:

• She will charge $15 for the first hour
• $8 for the extra 3 hours

So, the total charges is:

$Total = 15 + 3 \times 8$

$Total = 15 + 24$

$Total = 39$

The ordered pair is (4,39)

It means that:

She charges $39 for 4 hours

Read more about linear functions at:

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