3 years ago

50 POINTZ if u answer correct

Mathematics

1 answer:

nadya68 [22]3 years ago

5 0

Answer:

Do need help........still

Step-by-step explanation:

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storchak [24]

Answer:

Number of students in vans =15 and bus =46

Step-by-step explanation:

use variables for the vans and buses

let x= vans and y=buses

Now solve the 2 equations simultaneously

remember to number your equations

6x+7y=412..........1

6x+9y=504.........2

make x the subject of one equation

and label it equation 3

6x=412—7y

$x = \frac{206}{3} - \frac{7y}{6} .............3$

subs 3 into 2

$6( \frac{206}{3} - \frac{7y}{6} ) + 9y = 504$

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$- 7y + 9y = 504 - 412$

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subs 4 into 1

$6x + 7(46) = 412$

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$6x = 412 - 322$

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Therefore there are 15 students in each van and 46 students in each bus.

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