Answer:
Can you also explain the question
Step-by-step explanation:
For every 14 dollars you can get 5 kg. $14/5kg
You want to find one kg so divide by 5 on both sides
So...
$2.80/kg
Hope this helps and have a nice day!
Drinks, x
popcorn, y
9x + 4y = 40.50
3x + 5y = 38.25
Multiply the 2nd row by 3
9x+4y=40.50
9x+15y=114.75
Subtract the 2nd row from the 1st row
−11y=−74.25
Solve for y
Substitute y
9x+4(6.75)=40.50
9x+27=40.50
Subtract 27 from both sides
9x=40.50−27
9x=13.5
Divide both sides by 9
I'll let you do some of the work ;)
Hope this helps
So you have to find the volume of the tank, and the volume of the pyramid. Then subtract the volume of the pyramid from that out of the tank. The formula for pyramid is v = lwh/3. For the tank (which is a cube in this case) It's any given side cubed.
40*30*30 = 3600/3=1200cm cubed
40^3 = 6400cm cubed
6400-1200=5200cm^3 of water
(If you don't get this answer then I may have made a calculation error as I did this quickly in my head, just check my answer and yours to see)