For every dollar I invest, they match 75 Cents that means % matching. For every dollar I invest, they match a dollar that means % matching.
For every dollar I invest, they match 50 cents that means % matching.

Plz help I have finals and I am so confused about this!

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

What is the solution of the equation? 35√(x+2)3+3=27