Question

A student has some​ $1 and​ $5 bills in his wallet. He has a total of 11 bills that are worth ​$31. How many of each type of bill does he​ have? The student has enter your response here ​$1 bills and enter your response here ​$5 bills.

Answer 1

5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1. As you see those are eleven numbers/bills so your answer may be, The student has 5, 5$ bills and 6, 1$ bills. which makes up 31$.

Explanation:

Answer 2

6 $1 bills, 5 $5 bills

Explanation:

Say the student has x $1 bills.

Then they have 11 - x $5 bills.

31 = 1 * x + (11 - x) * 5 = 55 - 4x

4x = 55 - 31 = 24

x = 6

So, they have 6 $1 bills and 11 - 6 = 5 $5 bills