Jon and lexi are playing a marble game. according to their rules, 4 points are awarded for each red marble collected and 7 points are awarded for each blue marble collected. which expression represents jon's total score if he has r red marbles and b blue marbles?
1. 4r − 7b2. 2r − 7b3. 11rb4. 4r + 7b

4.

Step-by-step explanation:

Given : Jon and Lexi are playing a marble game.

According to their rules, 4 points are awarded for each red marble collected and 7 points are awarded for each blue marble collected.

Let r be the number of red marbles and b be the number of blue marbles.

Then , the expression represents Jon's total score if he has r red marbles and b blue marbles will be :-

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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