Answer:

Step-by-step explanation:
we have

step 1
Eliminate the parenthesis

The symbol of the term 3x is incorrect, must be positive instead of negative
so

Group terms that contain the same variable

Combine like terms

Answer:
your answer will be a. .12 minutes
Step-by-step explanation:
this is your answer because you will add .12 to .08 to get your answer
4 = 400/100
or 400 hundreths
9.75 * 1.2 = 11.7
24.5 * .8 = 19.6
11.7+19.6= 31.3 minutes
hope this helped :)