Seudónimo Seudónimo

18-04-2017
Mathematics

contestada

4 markers cost $7.04. Which equation would help determine the cost of 7 markers?

Respuesta :

18-04-2017

$7.04 divided by 4 will determine the cost of one marker.
which is $1.76

$1.76 (x)

$1.76 (7) = $12.32

Answer Link

FallenHero FallenHero

18-04-2017

4x=7.04
7x=y
And you use cross multiplying
4x×y=7.04× 7x
x
You delete x'es
4*y=49.28
y=12.32

Answer Link

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