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
Answer:
11
Step-by-step explanation:
8 + 7 = 15.
15 - 4 = 11
Your answer would be 11.
Answer:
30.4
Step-by-step explanation:
Answer:
68.544
Step-by-step explanation:
64x(1+0.088)=68.544