Littlemouserosaidn
Answered

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It is a linear equation but i don't know how to set the equation up , need help​

It Is A Linear Equation But I Dont Know How To Set The Equation Up Need Help class=

Sagot :

Reinhard10158idn

Step-by-step explanation:

x = number of novels

y = number of dictionaries

x = 8y

88x + 208y = 13680

now, using the identity of the first equation in the second equation gives us

88(8y) + 208y = 13680

704y + 208y = 13680

912y = 13680

y = 13680/912 = 15

x = 8y = 8×15 = 120

so, there were 120 novels and 15 dictionaries sold.

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