You're talking about one of the online questions on online homeschooling correct?
The cell labeled "a" is a joint frequency of 48
The cell labeled "b" is a marginal frequency of 93
(5x) / (2/11) = 3 / (1/5)
cross multiply
(5x)(1/5) = (2/11)(3)
x = 6/11
Answer:
She has 3/8 of a cup
Step-by-step explanation:
You can calculate the difference/vector of both points:

then calculate the magnitude/length like pythagoras