Zen Superstore purchased boxes of buttons in bulk,
paying $0.53 each. The store
will sell each box of buttons for
$0.77. What is the mark-up, as
a percentage?

A:38%
B:45%
C:40%
D:32%

Rename mixed numbers before you can subtract are what

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π