Answer: The man has 10$.
Step-by-step explanation:
We start with the number 60. He sells the goat for 70 dollars, and makes a 10 dollar profit. Then, he buys it for 80$, leaving him with 0. But then he sells it for 90$, making another profit of 10$.
Answer:
The pictures are too small :(
Step-by-step explanation:
Solving using the quadratic formula x = +-4
It should be A Draw a diagram