The equation which can be used to know the number of years it will take Jerry to earn the same salary as Victoria is 45000+2500x=54000+1500x
What is an unknown variable?
Unknown variables are used to find the unknown values of the problem using the algebraic expressions.
To find the values of unknown quantity, the statements of a problem is converted in the algebraic equation form using the variable in place of unknown numbers.
Jerry has a new job and earns a salary of $45000 and will receive a salary increase of $2500 per year. The salary earn by him after x years is,
45000+2500x
Victoria has a new job and earns a salary of $54000 and receive a salary increase of $1500 per year. Thus, salary earn by her after x years is,
54000+1500x
Equate both the equation to get the value of x as,
45000+2500x=54000+1500x
Thus, the equation which can be used to know the number of years it will take Jerry to earn the same salary as Victoria is 45000+2500x=54000+1500x
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