How much less do 13 boxes of tangelos weigh than 18 boxes of tangerines? Pounds of Citrus Fruit per Box

Citrus Fruit

Weight per Box (in pounds)

Grapefruit

)

Orange

3)

Tangelo

>

Tangerine

3)

Key: Each = 10 pounds

13 boxes of tangelos weigh

pounds less than 18 boxes of tangerines.

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb

my best guesses would have to be either 4.5 or 2. p.s. if they're wrong, i'm so sorry for giving you the wrong answer.

can you expand on the question i may be able to