5 Videos for "finding an unknown"

Percents  Problem 6
Math › Algebra › PreAlgebra
Finding an unknown percent by looking at the language of "is," "of," and "what" 
Percents  Problem 7
Math › Algebra › PreAlgebra
Finding an unknown whole from a given percent by looking at the language of "is," "of," and "what" 
Arithmetic Sequences  Problem 18
Math › Precalculus › Sequences and Series
Finding unknown terms in an arithmetic sequence from two known, nonconsecutive terms. 
Arithmetic Sequences  Problem 18
Math › Algebra 2 › Sequences and Series
Finding unknown terms in an arithmetic sequence from two known, nonconsecutive terms. 
Rectangular Coordinate System  Problem 3
Math › Algebra 2 › Graphs of Linear Equations
How to solve for a variable given a point that lies on the line.