We know angle x=y(vertically opposite angles)
Since 3 angles lie on a straight line,
y+60+70=180 (linear pair)
y+130=180
y=180-130
y=50 degrees
We would need the fractions given
The fourth number is 51. 48+49+50+51= 198.
THE NUMER IS 48
Look at the problem and do it in order
