Answer:

Step-by-step explanation:
All we have to do is use the addition property of equality to isolate x.

100=(22+bob)+bob
Bob=78/2
Bob=39
Lisa= 39+22
Bob drove 39 miles
Lisa drove 61 miles
Answer:
-1
Step-by-step explanation:
27.5+117=144.5 cm is the answer
Answer: 2:4
Step-by-step explanation:
1+2=3
6/3= 2
1:2 = 2:4