Answer: D
Step-by-step explanation:
3(1+x)+7 = 3+3x+7 =3x+10
D the last please tell me if I’m right thanks
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:
30
Step-by-step explanation:
i would think 30 different combinations, but tbh i have no idea
