Answer:
$4.75
Step-by-step explanation:
The expression given for then average cost is :
(3n + 7 / n)
If the number of games, n = 4
The average cost becomes :
(3n + 7) / n
Put n = 4 in the equation
(3(4) + 7) / 4
(12 + 7) / 4
19 / 4
= 4 3/4
= $4.75
Answer:
0 is the answer
Step-by-step explanation:
(Multiply all by 3 )
7x+x=3+5x
8x=3+5x
3x=3
x=1
Answer:
8 1/4
Step-by-step explanation:
Solution by Formulas
converting mixed numbers to fractions, our initial equation becomes,
−11 -9
3×4
Applying the fractions formula for multiplication,
−11×−9
3×4
=99
12
Simplifying 99/12, the answer is
=814