Question

Find two mixed numbers so that the sum is 21 1/6 and the difference is 4 3/6

Answer 1

12 5/6 and 8 2/6

Explanation:

x + y = 127/6 and

x - y = 27 / 6 <====== x - 27/6 = y sub this into the first equation

x + (x-27/6) = 127/6

2x = 154/6

x=77/6 then y = x - 27/6 = 50/6