Find three consecutive positive even integers whose sum is 90...

Question

Find three consecutive positive even integers whose sum is 90

Accepted Answer

Solution Let the required three consecutive positive even integers be x x 2 and x 4 Then x x2 x4 90 x x 2 x 4 90 3x 6 90 Transposing 6 to LHS and it becomes 6 3x 90 6 3x 84 Multiplying both side by 13 3x 13 90 13 x 30 The other numbers are x 2 30 2 32 and x 4 30 4 34 the required three consecutive positive even integers are 30 32 and 34

RS Aggarwal Solutions Class 7 Mathematics Solutions for Linear Equations in one variable Exercise 7B in Chapter 7 - Linear Equations in one variable