Answer:
53.04
Step-by-step explanation:
There are 80 children. 45 of them are girls. The amount of boys is equal to:

That means there are 45 girls and 35 boys.
The ratio of boys to girls is: 
Simplify:

Your answer is 7:9
Answer:
Step-by-step explanation:
120/3= is 40mph
200/40= 5
At 40 mph it will take 5 hours.
Answer:
.........................
Answer: Is C
Your answer: C