Step-by-step explanation:
Given

Hope it will help :)
Answer:
13
Step-by-step explanation:
12×7 = 84,
so the scale ratio is 1/7
now 91×1/7
= 91/7
= 13
First, subtract k from both sides. That means c - k is in the left side and 3x is on the right. Then, divide by 3 on both sides. So, the answer is x = (c - k) / 3.
The answer for this problem is b
The answer is B... good treads claim is false therefore it can be concluded that speed tracks tires last longer than good treads tires