Answer:
Step-by-step explanation:
1 tyres time to install is 56/4=14
which means it takes 14 minutes to install one tire.
so 12 tires would be 12 x 14 which is 168 minutes
A) 168 minutes
1 tire = 14 min
42 min/14 min=3
B) 3 tires
The answer is 11 because you do the smallest parenthesis. and work your way out.
Answer:
-14a
Explanation:
We are given 7(b - a) - 7(b + a).
We can distribute the 7’s to get:
7b - 7a - 7b - 7a
Combining like terms, we have:
-14a