Answer:
5 7/11 - 2 1/5
62/11 - 11/5
LCM of 11 and 5 is 55
62/11 × 5/5 - 11/5 × 11/11
62 × 5 /55 - 11 × 11/55
310/ 55 - 121/55
310 - 121 /55
189/55
68
Step-by-step explanation:
= $3.5/gallon
