Respuesta :

Answer:

r=121/148 or r=0.81756

Step-by-step explanation:

-30=1/4-37r

37r=1/4-(-30)

37r=1/4+30

37r=1/4+120/4

37r=121/4

r=(121/4)/37

r=(121/4)(1/37)

r=121/148