Answer:
8+x=2x-3
x=11
Step-by-step explanation:
Stephanie rode the bike with an speed of 37.5 km. If she ride the bude and the average speed for her is 12.5 km per hour, multiply 12.5 with how much hour to get the answer. 12.5x3=37.5. This means that Stephanime rode her bike and got a speed of 37.5 km.
Answer:
10
Step-by-step explanation:
