Express the percent as a decimal 76.7%

0.767
Simply divide by 100 to turn percents into decimals.

Convert the percentage to a fraction by placing the expression over 100. Percentage means 'out of 100′.
76.7/100

Convert the decimal number to a fraction by shifting the decimal point in both the numerator and denominator. Since there is 1 number to the right of the decimal point, move the decimal point 1 place to the right.
767/1000

Convert the fraction to a decimal by dividing the numerator by the denominator to approximate the decimal result.
0.767


0.767

With out knowing the functions you have to chose form, this could be one.y = 5.00xx = hours worked and y = the money he will earn.