1. Write all numerators above the common denominator
2. When there is a "-" in front of an expression in parentheses, change the sign of each term of the expression
3. Subtract the numbers
Answer . 2-x
———
X+2
14000+7x=35x (x being the number of books) solve for x and you have your answer. 14000=35x-7x=28x therefore x=14000/28=500 so he needs to sell 500 books before he breaks even.
Answer:
Step-by-step explanation:
t a pet store, Ms. Pike paid $34.75 for 5 dog bowls and 7 bones. Mr. Moore paid $20.50 for 3 dog bowls and 4 bones. Determine the cost of one dog bowl(x) and one bone(y).
1. -3/2
2. -1/2
3. 1.3
4. 1 1/2
Answer:
78%
Step-by-step explanation:
% increase = Increase ÷ Original Number × 100
% increase= 35.8/46 *100= 77.82=78 %