I believe the answer is 5 because if however many times you can multiply 2.5 into 12.5, you get the answer of 5.
9/20 because if you count the red and blue out of the 20, theres 9. So you have a 9/20 chance it will hit red or blue.
The ratio 2:7. Add 7 and 2 together to get 9. Then divide 243 by 9 which is 27. 27x2 is 54 so. There was 54 students out of state. And 189 that were in state
She earned from selling one hover board 19.42 dollars
