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rjkz [21]
2 years ago
5

I need help!!!!!!!!!?

Mathematics
1 answer:
ycow [4]2 years ago
5 0
Is it radius or circumference?
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Sarah's surfboards charges a fee of $60 to rent a surfboard and then $10.50 per hour. Sally's surfboards does not charge a fee,
Zanzabum

Answer:

12 hours

Step-by-step explanation:

Let the number of hours be represented as h.

Sarah's surfboards charges a fee of $60 to rent a surfboard and then $10.50 per hour.

Mathematically ,

60 + 10.50h

Sally's surfboards does not charge a fee, but they cost $15.50 per hour

Mathematically,

15.50h

Equating both equations together

60 + 10.50h = 15.50 h

Collect like terms

60 = 15.50h - 10.50h

60 = 5h

h = 60/5

h = 12 hours

Therefore, the number of hours that the cost will be the same to rent a surfboard for each shop is 12 hours.

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2 years ago
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Mary has 6 shells. Her friend Tina has 3 times more than Mary. How many shells do the girls have together?
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18 shells because since Mary has 6 and Tina has 3 shells all you have to do is multiply 6 and 3 to get 18

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