Question 7 • HCISD-Mathematical Models with Applications B-CR SUMMER
Jason has applied to be a camp counselor for the summer. The job pays $9 per hour. The equation to represent Jason’s job is y = 9x, where x is the number of hours he works and y is the total amount he earns. Mia has applied to be a lifeguard for the summer. The lifeguard job is three days a week with hours and pay as shown in the table below. TuesdayThursdaySaturdayHours worked685Amount paid$52.50$70.00$43.75Which statement best describes the hourly rates?
Answer
A
The two jobs pay the same hourly rate.
B
The comparison cannot be made with the information given.
C
Jason’s camp counselor job pays a higher hourly rate than Mia’s lifeguard job.
D
Jason’s camp counselor job pays a lower hourly rate than Mia’s lifeguard job.
Explanation
Jason earns $9 per hour from the equation y = 9x. Mia earns $52.50 ÷ 6 = $8.75 per hour on Tuesday, and the other days show the same rate: $70 ÷ 8 = $8.75 and $43.75 ÷ 5 = $8.75. Since $9 is greater than $8.75, Jason’s camp counselor job pays a higher hourly rate than Mia’s lifeguard job.
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