Practice!

Sample Problem

The average of two 3-digit numbers is 380. The first two digits of the first number are as shown. What is the smallest possible value for the second number?

Description: Machine generated alternative text: number
nUmbeF
口口口
口口口
效d
月士户.
口,乙

Solution

The sum of the two numbers is 380 × 2 = 760.

To get the smallest possible value for the second number, the first number should be made the largest possible value: 239.

Therefore, the smallest possible value for the second number is 760 – 239 = 521.