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Y_Kistochka [10]
3 years ago
14

If skate rentals cost $2.50 per person, and there are 3 adult chaperones at a party, how many friends can Jose invite if he want

s to spend only $50.00 total on skate rentals?
Mathematics
1 answer:
igomit [66]3 years ago
5 0

Answer:

17

Step-by-step explanation:

3 x 2.50 = 7.50  (chaperones)

7.50 + 2.50 x 17 = 50

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Musa loves playing Fortnit each evening. One battle lasts 1/2 of an hour. His mom lets him play 3 1/2 hours per week. How many r
GalinKa [24]

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Musa can play 7 rounds a week

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3 years ago
if you draw 35 lines on a piece of paper so that no two lines are parallel to each other and no three lines are concurrent, how
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The lines will intersect 595 times.

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We can do it in 2 methods.

<u>1st method:-</u> Let us count the number of intersections by drawing lines one by one.

1st line - 0 points=0

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4th line - old (1+2) points+ new 3 points= 1+2+3

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<u>2nd method:-</u>

We have to choose 2 lines from 35 lines.

We can do it in 35_{C} _{2} ways = 595 points

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