After reading through the story problem, I ended up with this equation:
(35-2)(x+.5) =?
or
(35-2)(10+.5)=?
Explanation:
He sells 35 books for usual weeks. Since he is selling his books at $.50 more his average number of copies decreased by 2.
35-2 = 33
Next, we know that he adds $.50 for his price for each copy. If the price is $10 per copy than it looks like this:
$10+$.50= 10+.5
or if the price is not $10 it will be
$x+$.5= x+.5
Answer:
0.08%
Step-by-step explanation:
2 years,
the $800 plus $128 in interest. What simple interest rate did he pay?
128/2
$64 a year
64/800=0.08
so 0.08%
Answer:12
Step-by-step explanation:
The prime of 96 is 12
Answer:
3x times 24 widgets
Step-by-step explanation:
Answer:
x - 15 = - 20
Step-by-step explanation:
x - 15 = - 20
Add 15 to each side:
x - 15 + 15 = - 20 + 15
x = - 5