Answer:
Q = 13.8
Step-by-step explanation:
It is given that
Q - 7 5/6 = 6 1/2Q
⇒Q - 47/6 = (12Q +1)/2Q
⇒ 6Q/6 - 47/6 = (12Q +1)/2Q
⇒(6Q - 47)/6 = (12Q +1)/2Q
⇒ (6Q - 47)/3 = (12Q +1)/Q
⇒Q((6Q - 47) = 3(12Q +1)
⇒6Q² - 47Q = 36Q + 3
⇒6Q² - 47Q - 36Q -3= 0
6Q² - 83Q -3= 0
Solving we get, Q = 13.8
