Question
18. A pet doctor earns $82,000 per year. A pet
doctor’s assistant earns $22,000 per year. Suppose
both a pet doctor and her assistant work for 10
years. How much more than her assistant does the
pet doctor earn ?
A $600 B $6000
C $60,000 D $600,000
19. Lacey is attending a university where
the cost for one year is $10,500. She has
a scholarship worth $6,000 and a grant
worth $900. She earns $45 a day at her job.
How many days does she need to work to
pay for 50% of the remaining amount?
A 40 C 60
B 50 D 80
doctor’s assistant earns $22,000 per year. Suppose
both a pet doctor and her assistant work for 10
years. How much more than her assistant does the
pet doctor earn ?
A $600 B $6000
C $60,000 D $600,000
19. Lacey is attending a university where
the cost for one year is $10,500. She has
a scholarship worth $6,000 and a grant
worth $900. She earns $45 a day at her job.
How many days does she need to work to
pay for 50% of the remaining amount?
A 40 C 60
B 50 D 80
Answers
The correct answer to 18 is C) $60,000.
To find out, we need to calculate the difference between the pet doctor's and her assistant's earnings over the course of 10 years:
Pet doctor: $82,000 x 10 years = $820,000
Assistant: $22,000 x 10 years = $220,000
Difference: $820,000 - $220,000 = $600,000
Therefore, the pet doctor earns $600,000 more than her assistant over the course of 10 years.
For question 19, we need to first calculate how much Lacey would need to pay for 50% of the remaining cost after her scholarship and grant are applied:
Total cost: $10,500
Scholarship: -$6,000
Grant: -$900
Remaining cost: $10,500 - $6,000 - $900 = $3,600
To pay for 50% of $3,600, Lacey would need to earn:
50% of $3,600 = $1,800
To earn $1,800, she would need to work:
$1,800 ÷ $45/day = 40 days
Therefore, Lacey would need to work 40 days to pay for 50% of the remaining cost after her scholarship and grant are applied.
The answer is A) 40.
To find out, we need to calculate the difference between the pet doctor's and her assistant's earnings over the course of 10 years:
Pet doctor: $82,000 x 10 years = $820,000
Assistant: $22,000 x 10 years = $220,000
Difference: $820,000 - $220,000 = $600,000
Therefore, the pet doctor earns $600,000 more than her assistant over the course of 10 years.
For question 19, we need to first calculate how much Lacey would need to pay for 50% of the remaining cost after her scholarship and grant are applied:
Total cost: $10,500
Scholarship: -$6,000
Grant: -$900
Remaining cost: $10,500 - $6,000 - $900 = $3,600
To pay for 50% of $3,600, Lacey would need to earn:
50% of $3,600 = $1,800
To earn $1,800, she would need to work:
$1,800 ÷ $45/day = 40 days
Therefore, Lacey would need to work 40 days to pay for 50% of the remaining cost after her scholarship and grant are applied.
The answer is A) 40.
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