Answer:
y = 225x + 625
Step-by-step explanation:
slope (m) = rise/run = Δy/Δx = (1750-625) / (5-0) = 1125/5 = 225
It means for one additional child (Run) will charge $225 (Rise) per month.
Basic fee is $625 (y intercept: b)
y = mx + b
Equation: y = 225x + 625
