To find the cost of each book, you need to divide the money spent on all of the books by the number of books.
$39 / 10 = $3.90 per book
Answer:
The value of x is 4
Step-by-step explanation:
y = 2.5x + 65; y = 75
Now, Substitute
y = 2.5x + 65
75 = 2.5x + 65
75 – 65= 2.5x + 65 – 65
10 = 2.5x
2.5x = 10
2.5x/2.5 = 10/2.5
x = 4
Thus, The value of x is 4
<u>-TheUnknownScientist</u><u> 72</u>
Answer:
20
Step-by-step explanation:
make a # bar and market up as a percentage do 25%, 50%, 75% then you put 15 where 75% is and from there you see where the #'s fit
Answer:
5.6 miles.
Step-by-step explanation:
7/80=x/64 is our equation
Cross multiply to solve for x
x=7*64/80
x=5.6mi
Hope this helps ^-^
