November 2013: Snow White, Happy Days, and Bingo

(from November 20, 2013)

"Binary Bingo"

Visit the mathplane comic archives




(from November 26, 2013)

"Repeating decimal subtraction"

One minute math question:

Solution and more math stuff in the spare parts section





(from November 22, 2013)

"Happy Days"

The Fonz learns Calculus!




(from November 14, 2013)

"Snow White and the 7 Dwarf"

'Counting 7's'
1) If you listed all the whole numbers between 1 and 1000, how many 7's would appear in the list?
2) How many integers between 1 and 1000 contain at least one 7?

SOLUTION





(from November 7, 2013)

"Study Habits"

Academic influences from Angel and Devil...





(from November 1, 2013)

"Leftover Halloween Candy"

AFTER a 30% discount, a bag of Halloween Candy costs $10.
What was the ORIGINAL price of the candy?

The answer is here