9 Videos for "cross multiply"

Proportions  Concept
Math › Algebra › Solving Equations
How to solve proportions. 
Percents  Concept
Math › Algebra › PreAlgebra
How to set up percent problems as proportions. 
Percents  Problem 3
Math › Algebra › PreAlgebra
How to solve "x% of what is ?" 
Percents  Problem 2
Math › Algebra › PreAlgebra
How to solve "What percent of x is ?" 
Proportions  Problem 1
Math › Algebra › Solving Equations
How to solve proportions when x is in the numerator. 
Proportions  Problem 3
Math › Algebra › Solving Equations
How to solve word problems involving proportions. 
Proportions  Problem 2
Math › Algebra › Solving Equations
How to solve proportions when one numerator is an expression with x. 
Percents  Problem 1
Math › Algebra › PreAlgebra
How to solve "What is x percent of?" 
Solving Radical Equations  Problem 3
Math › Algebra › Radical Expressions and Equations
How to solve radical proportions.