Use properties of rational numbers to simplify the expression. (41 - 4/5) - (2/11 - 19)
a.60 54/55
b.59 5/8
c.60 3/8
d.59 1/55

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Collin did the work to see if 10 is a solution to the equation r/4=2.4