Answer:2
Step-by-step explanation:
Answer:
15 mph
Step-by-step explanation
i used a calculator but correct me if im wrong pls
Distribute on the left side
7.4a+22.2=3.2a+43.2
Subtract 3.2a from both sides
4.2a+22.2=43.2
Subtract 22.2 from both sides
4.2a=21
Divide both sides by 4.2
a=5