photo math duhhhhhhhhhhhhhhhhhhhh
Answer:
The mode of a data set is the number that occurs most frequently in the set. To easily find the mode, put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode!
Step-by-step explanation:
internet.
A, because: 20x10 1/2=210
And 20x11 1/4=225
And 225-210=15
So thats the answer.