Question

H / H + R = 1/2 Please find the ratio of H and R.

Answer 1

H/(H+R) = 1/2

(H+R)/H = 2/1

H/H + R/H =2/1

1 + R/H = 2

R/H = 2-1

R/H = 1

NOW 

H/R = 1/1
 H:R= 1:1

Answer 2

the answer is 1:1
hope it helps