Linear equation: y = mx + c
m = slope
c = y-intercept
Well the first part is 27 but the second part is adding 60 to 21 which is 81. dont forget that!
Answer: $24
Step-by-step explanation:
Mariano saved $24because
120 x 0.2=24
She payed $96
Given:
The equation is

To find:
The value of b.
Solution:
We have,

Subtracting both sides by
, we get




Therefore, the value of b is
.