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AveGali [126]
3 years ago
7

On the way to school, if the ratio of walkers to bus riders is 2:7, then the number of bus riders is ________ times the number o

f walkers.
Mathematics
2 answers:
Yakvenalex [24]3 years ago
7 0
It is 3.5 times the number of walkers
jekas [21]3 years ago
7 0
<span>On the way to school, if the ratio of walkers to bus riders is 2:7, then the number of bus riders is 3.5 times the number of walkers, because 7 (bus riders) divided by 2 (walkers; not to be confused with zombies) is equal to 3.5, which is what you would have to multiply the exact number of walkers by to get the number of bus riders. Good luck, have a great day!~ c: </span>
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Step-by-step explanation:

15x^2 +41x+28

Factor the expression by grouping. First, the expression needs to be rewritten as 15x^2 +ax+bx+28. To find a and b, set up a system to be solved.

a+b=41

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Since ab is positive, a and b have the same sign. Since a+b is positive, a and b are both positive. List all such integer pairs that give product 420.

1,420

2,210

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14,30

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20,21

Calculate the sum for each pair.

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Factor out common term 3x+4 by using distributive property.

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