C never, there are always different methods to solve a problem but don't forget that the equation always stays the same!
Answer:
you need to put a picture or type the equations of the proportion cause nobody will know what you mean
Step-by-step explanation:
which equation is a true proportion
what are the equations?
Answer:
Equivalent fractions
Step-by-step explanation:
Answer:
2 weeks
Step-by-step explanation:
y = mx + b
y = total number of chapters read = 
m = number of chapters read per week = 
x = number of weeks = what we're solving for
b is not needed to find this solution
=
x divide
from both sides
x = 2 weeks
Answer:
x > -39
Step-by-step explanation:
-0.3x < 6.7 + 5
-0.3x < 11.7
divide by -0.3
Answer is x > -39