Problema Solution

A manager bought some stamps. She gave 1/3 of them to a cashier and 1/5 of them to her secretary. If the secretary received 40 fewer stamps than the cashier, how many stamps did the cashier receive?

Answer provided by our tutors

let


x = the total number of stamps


(1/3)x = the number of stamps the cashier received


(1/5)x = the number of stamps the secretary received


the secretary received 40 fewer stamps than the cashier:


(1/5)x = (1/3)x - 40


by solving the equation we find:


x = 300 stamps


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(1/3)*300 = 100 stamps


the cashier received 100 stamps.