Answer: 36 cars and 9 motorcycles
Step-by-step explanation:
- It's given that he has x motorcycles to 4x cars
- After he bought the cars and sold the motorcycles, he had 4x+4 cars to x-4 motorcycles
- Since after this selling/buying, he has 8 times more cars than motorcycles, you can write the equation 4x+4=8(x-4)
- Once you solve you get 36 cars and 9 motorcycles
Answer:
Oy=2x+3
Step-by-step explanation:
100 - 80 = 20%
She ran 20% of the journey
20% x 9km = 0.2 x 9 = 1.8 km
Answer: She ran 1.8 km