112 is 80% of what number?

112 is 80% of 140.
80% can be written as 0.80 or 0.8.
how i got 140 is by finding the x value of this equation: 0.8x=112
to find the x, i divided 0.8 from both sides, 
0.8 divided by 0.8 cancel out.
112 divided by 0.8 is 140. 
therefore, 112 is 80% of 140

A. p = 2(l + w)p/2 - l = ww = p/2 - l b. while isolating the variable w in the equation, i first divided both sides by 2 and then i subtracted l from both sides. i hope this .