<span>There are three possibilities.
1. Of the 30 bikes that needed gear repairs, 20 also needed tires.
2. Of the 30 bikes that needed gear repairs, 10 also needed tires.
3. Of the 30 bikes that needed gear repairs, between 10 and 20 also needed tires.</span>
Answer:
12 12 12 12 12 12 12 12 12 1 2 12 12
Answer:
0.545455
Step-by-step explanation:
