Jon and lexi are playing a marble game. according to their rules, 4 points are awarded for each red marble collected and 3 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?
4r-3b
2r-3b
4r+3b
7rb

the answer is 4r+3b

please give me 5 star rating and a thank you if this helped.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

europa2433

europa2433

step-by-step explanation: