Mathematics
23.02.2023 16:19
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Julie is a math tutor in the academic center. she charges $210 for the first 7 hours
Julie is a math tutor in the academic center. she charges $210 for the first 7 hours of tutoring and $20 for each additional hour of tutoring. if she earned $410 tutoring 1 student, how many total hours did she spent tutoring the student? which of these equations represents this problem? a. h = 7 ร 410 + 210 20 b. h = 7 โ 410 + 210 20 c. h = 7 โ 410 โ 210 20 d. h = 7 + 410 โ 210 20
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Azaleaz
4,4(52 marks)
Let h = total number of hours of tutoring.
The correct equation is:
210 + 20(h - 7) = 410
Now we solve it.
210 + 20h - 140 = 410
20h + 70 = 410
20h = 340
h = 17
The total number of hours of tutoring is 17 hours.
zavalaadrian846
4,7(36 marks)
and i oop skskskskaksksk
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