Answer:
105, 210, 315, 420, 525
Step-by-step explanation:
you add 105 each time (:
Answer:
E
Step-by-step explanation:
The equation of proportion is
y = kx ← k is the constant of proportionality and
k = 
Substitute the values from the table into the equation for k, that is
k =
=
=
= 
Answer:
127 hamburgers
Step-by-step explanation:
let c = # of cheeseburgers
let h = # of hamburgers
c = 2h (The number of cheeseburgers sold was two times the number
of hamburgers sold.)
h + c = 381 (combined total)
h + 2h = 381
3h = 381
h = 127
Answer: 12 21
Step-by-step explanation: