Answer:
7
Step-by-step explanation:
Maybe just use a calculator instead lol
Answer:
x=1 and x=-1/3
Step-by-step explanation:
Therefore, x=1 and x=-1/3
Answer:
number of standard-delivery package x = 60
number of express-delivery package y = 30
Step-by-step explanation:
We have:
Total number of packages shipped one day = 90
Total shipping chages for the day = 555 $
Charged for each standard-delivery package = 4.5 $
Charge for each express-delivery package = 9.5 $
Let call x number of standard-delivery package. and
y number of express-delivery package .
Then x + y = 90
And 4.5* x + 9.5* y = 555
we get a 2 equation system, solving
y = 90 - x
4.5*x + 9.5 * ( 90 - x ) = 555
4.5*x + 855 - 9.5*x = 555
- 5*x = -855 + 555
5*x = 300
x = 60
And then y = 90 - 60
y = 30
Answer:
Its a loss.
Step-by-step explanation:
This is because when you buy something for $20 and sell it for 35$ you lose money. After buying and selling youʻre only left with $15 which is less than the $20 you had in the first place.
Answer:
$4.50
Step-by-step explanation:
She wants to buy 6 pens, so she needs to multiply $0.75 6 times to get how much money she needs.
Hope it helped!