Answer: 2 1/13
Step-by-step explanation: keep change flip. keep 9/13 and then change, so you multiply 9/13x3/1 which is equal to 27/13 which is 2 1/3
Answer:
1
Step-by-step explanation:

Answer:
55
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
40 + 90 =130
180-130=50