Help help help for more points

B

Step-by-step explanation:

Find out how much time she took for babysitting. She took 3.5 hours.

11 - 7.5 = 3.5

Now divide 3.5 from 15.75. You get 4.5.

That means she earned $4.5 per hour

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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