Answer:
2 11/12 cups of flour
Step-by-step explanation:
2 recipes are 2 1/2 cups of flour
1/3 is 1/3 x 1 1/4= 1/3 + 1/12= 5/12
So, 2 11/12 cups of flour
A= 168 minutes or 2 hours and 48 minutes.
B= 3 tyres
See below. The series converges.
