3/5 + 2/5·1/3 = 11/15
1 - 11/15 = 4/15
4/15 are 4 problems
1/15 are 1 problem
15/15 are 15 problems
15 problems were assigned for the weekend.
answer: a dependent variable is a variable (ex.x,y,z) that is dependent on the independent variable. the dependent variable is what is being measured in an experiment or evaluated in a mathematical equation.a variable in an equation that may have its value freely chosen without considering values of any other variable
answer: the correct answer is 90
* hope this !