1/4 + 1/4= 1/2
There are 2/4 in 1/2.
Hope this helps! :)
Answer: The required probability is 
Step-by-step explanation:
Since we have given that
Number of spruce tree = 20
Number of maple tree = 50
Total trees = 70
We need to find the experimental probability that the next tree Colleen to get a spruce tree.
So, the probability would be :

Hence, the required probability is 
I am pretty sure it's 82/100.
Answer:
17/300.
Step-by-step explanation:
17/300 students have a dog.
Answer:
4÷7=0.57142857
Step-by-step explanation:
nearest thousandths...
0.517
in decimals... we start in the tenths, hundredths then thousandths.