juneshella394 juneshella394

09-07-2022
Mathematics

contestada

The total cost of 2 novels and 4 fiction books is $84. Each novel costs $6 more than each fiction book. What is the total cost of a novel and a fiction book?

Respuesta :

genevabarosa genevabarosa

09-07-2022

Answer:

$30

Step-by-step explanation:

Let,

x - fiction book

x + $6 - novel

EQUATION:

4(x) + 2(x + $6) = $84

6x + $12 = $84

6x = $84 - $12

6x = $72

x = $12

SUBSTITUTE:

novel = $12

fiction = $18

TOTAL COST OF NOVEL AND FICTION

$18 + $12 = $30

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