if the total weight of 3 sacks is 17.5 kilograms, what must the fourth sack weigh for the average weight of the sacks to be 6.5 kilograms?

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:

using pemdas, (order of operations) you'll see the answer is 24.

he is going to fill two shelves and the third shelf will only have five video games

b

step-by-step explanation:

this is because the profit is decreasing and turning into debt