The ratio of red to blue counters is 2:5 and there are 40 blue
counters. When I remove some red
counters the ratio is now 1:4. How
many red counters did I remove?

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

What is the compound interest in a three-year, $100,000 loan at a 10 percent annual interest rate a) 10.00 b) 21.00 c) 33.10 d) 46.41

Which expressions are equivalent to -6 + 3m