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Julia earns $28 per hour - HSC - SSCE Mathematics Standard - Question 7 - 2019 - Paper 1

Question 7

Julia earns $28 per hour. Her hourly pay rate increases by 2%. How much will she earn for a 4-hour shift with this increase? A. $2.24 B. $28.56 C. $112 D. $114.24

Worked Solution & Example Answer:Julia earns $28 per hour - HSC - SSCE Mathematics Standard - Question 7 - 2019 - Paper 1

Step 1

Calculate the pay increase

96%

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Answer

To find the increase in Julia's hourly pay, we first calculate 2% of her current hourly rate of $28:

ext{Increase} = 28 imes rac{2}{100} = 28 imes 0.02 = 0.56

Thus, the increase is $0.56.

Step 2

Determine the new hourly rate

99%

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Answer

Now, we add the increase to the original hourly rate:

ext{New Hourly Rate} = 28 + 0.56 = 28.56

Step 3

Calculate earnings for a 4-hour shift

96%

101 rated

Answer

To find Julia's earnings for a 4-hour shift, we multiply her new hourly rate by the number of hours:

ext{Earnings} = 28.56 imes 4 = 114.24

Therefore, Julia will earn $114.24 for a 4-hour shift.

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