Elisa and Teresa are comparing weights. If Elisa weights 52 1⁄4 kilograms and Teresa weighs 49 4/9 kilograms, what is the difference in their
weights?

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

Just tell me how to set up the equation.

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%)