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fredd [130]
3 years ago
9

Christy drove 270 miles in 6 hours at a constant speed how long would it take her to drive 405 miles at the same speed ?

Mathematics
2 answers:
Paha777 [63]3 years ago
8 0
Well, the speed is 45mph (divided 270 by 6). It would take her 9 hours (divided 405 by 45).
lakkis [162]3 years ago
8 0

Answer:

9 hours

Step-by-step explanation:

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Answer:

x + y = 50 (1) and 2x + 3y = 115 (2); x = 35, y = 15

Step-by-step explanation:

Since x represents the number of 2 point shots and y represents the number of 3 point shots. If the total number of shots is 50, then x + y = 50 (1)

Also, the total 2 point shots is number of 2 point shots × points per shot = 2x and the total 3 point shots is number of 3 point shots × points per shot =  3y. Since the total number of points is 115, then

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So, the system of equations are

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So, x = 50 - y

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