Answer:
slope= 3/4
y=mx+b
Step-by-step explanation:
All you do is divide.
330/390= 0.846
round it: 0.85
Answer is about 85%
Answer:
x=1
Step-by-step explanation:
3x=4-1
3x=3
x=1
Answer:
they will be the same at 11 months
Step-by-step explanation:
the equations for this are
y = 40+55x
and
y = 165+30x
where x is the number of months
if you plug this into your graphic calc you see they are equal at 11 therefore, 11 months