y= 1.25x+6.75
Make 31.75 y because that is the total cost he paid.
1.25x+6.75=31.75
1.25x=25
x=20
So he had 20 refills.
Answer:
X is just the variable or missing edge, side, angle .etc that you are looking for
Step-by-step explanation:
Answer:
2^4
Step-by-step explanation:
16 = 2x2x2x2 = 2 to the power of 4
To figure this out plug in 4 for x
f(4)=5/3(4)^3/2+8(4)^1/2 = 5/3(8) + 8(2)
= 5/3 x 8 + 16 = 40/3 +16 = 88/3
Hope this helps!
