Angelique had 20 tokens to use for games at the arcade. she lost some of them. her dad tripled the tokens she had left.

angelique wrote the expression 3(20−t) to find the number of tokens she has now, where t is the number of tokens she lost.

dante correctly wrote another expression, 60−3t, to find the number of tokens angelique has now.

use the drop-down menus to explain what each part of angelique's and dante's expressions mean.

17   x 256=4352

sorry if this is wrong, i'm new.

step-by-step explanation:

is there any photos or whatever?

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step-by-step explanation:

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hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb