There are 560 students in a school. If the ratio of the boys are girls is 4:3,find their numbers.

320 / 240 = 4 / 3

Step-by-step explanation:

4 / 7 = x / 560

Cross-multiply:

7x = 2240

Divide by 7:

x = 320

The school has 320 boys and 240 girls.

hope this helps

320 : 240

Step-by-step explanation:

4 + 3 = 7

560 / 7 = 80

so 1 is 80

4 x 80 : 3 x 80

320 : 240

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )

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step-by-step explanation: