Answer:
A
Step-by-step explanation:
It's A because she subtracted a negative and that only make a bigger negative where she should have added
A mile is a unit of length most commonly equivalent to 5280 feet (1760 yards, or about 1609 metres).
Answer:
a. Profit = $316.6
b. Profit=$0
Step-by-step explanation:
The computer store buys the computer at $474.40. If it sells it for $791 it will make a profit of:

But if it marks it down by 40% the selling price wwill be:

There it wont make a profit
Answer:
3.) 10
Step-by-step explanation:
8x-2(x+1) = 7x+8
8x-2x-1=7x+8
6x-1=7x+8
-1=1x+8
+1 +1
1x+9
/x
x=1+9
x=10