"if the formula is used to find the mean of the following sample, what is the value of n?

51, 37, 83, 44, 52, 19, 99, 7, 36, 88, 3

a. 12
b. 10
c. 9
d. 11"

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)