Answer:
$20 per sweater.
Step-by-step explanation:
It is given that,
A store buys 7 sweaters for $42 and sells them for $182.
We need to find how much profit the store make per sweater.
The amount the store bought the sweaters fr is calculated as follows :
$182- $42 = $140
Profit the store made per sweater is given by :

Hence, the store will make $20 per sweater.
Either A - the value of r would increase or B- the value of r would not change.
Answer:
x= 9 y=2
Step-by-step explanation:
Add up the equations vertically to eliminate y.
-x=-9
change the signs:
x=9
substitute the given value of x into the equation 2x-4y=10
2(9)-4y=10
18-4y=10
4y=8
y=2
24 months is the correct answer
Answer:
⁷⁄₅ miles in 1 hour
Step-by-step explanation:
⅖ mile in ²⁄₇ hour
Multiply both fractions by 3.5
⁷⁄₅ miles in 1 hour