Problema Solution

A waiter earns a salary of $500per month for working 4hours a day. In May, he worked additional hours at $10per hour and earned $650for the month.

Write an equation to model this situation where xis the number of additional hours he worked in May.

Answer provided by our tutors

let


y = the money earned in May

x = the number of additional hours he worked in May


y = 500 + 10x


if he earned $650 in may we have y = 650 or


500 + 10x = 650


x = (650 - 500)/10


x = 15 hr


in May the waiter worked 15 additional hours.