Abarter economy
a. employs moneychangers.
c. exchanges goods and services.
b. uses coins of different values.
d. uses bills of exchange

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

10% of 1,900,000. show me how you got the answer