Parviz F. | Mathematics professor at Community CollegesMathematics professor at Community Colle...
4.84.8(4 lesson ratings)(4)
0
In these , so do speak word problems.
Always choose a variable for unknown, what problem is asking you to find, and then convert English statements of problems to algebraic expression and solve like. here.
D - daughters age
F=4D father's age.
D+ 6 daughter's age after 6 years
4D + 6= Father's age after 6 years.
Now everything is expressed in terms of one variable D, the equation can be set and solved