Answer:
The overall change is -$7.00.
Step-by-step explanation:
If a price goes down $4.25 than it is a negative integer. Same situation if a price goes down $2.75; it is still a negative integer. These two numbers can be expressed as -$4.25 and -$2.75. Finding the overall change causes for adding. Same signs add and keep different signs subtract. -4.25+-2.75=7.00. Therefore, the overall change in price for the two days is -$7.00.
Answer:
C 28
Step-by-step explanation:
Put the given value where x is in the expression and do the arithmetic.
-2(3(-3) -2) +(-3) +9
= -2(-9 -2) -3 +9
= -2(-11) -3 +9
= 22 -3 +9
= 19 +9
= 28
Answer:
10
Step-by-step explanation:
10-10=0
Answer:
8 books
Step-by-step explanation:
Earning for each ticket is $0.25 and for each book is $2
If total earning for 4 tickets and x books is $17, then the equation is:
- 0.25*4 + 2x = 17
- 1 + 2x = 17
- 2x = 16
- x = 16/2
- x = 8
So Molly purchased 8 books
