Answer:
The sum of their ages is 1 less than 3 times Rosa's age.
15 + 8 = 3(8) - 1
Step-by-step explanation:
50 + 11.5x = 188
You wrote the question wrong...
m is not -16 it is -1/6 (that is a big difference)
y=mx+b
y=-1/6x+b
3 = -1/6(12) + b
3 = -2 + b
b=5
