Question

what are the two decimal numbers whose sum is 11 and difference is 0.5

Answer 1

Answer:

X + y = 11.....i

x - y =0.5........ii

X = 0.5 + y

put this value of x in equation i

0.5 + y + y = 11

0.5 + 2 y equal 11

value of y will come 5.25

put this value in first equation

X + 5.25 equal 11

X equal 11 subract 5.25

x=5.75