majik

How many degrees are in all the angles of a parallelogram? 360, right? There will be 2 angles the same measure as b and 2 angles the same measure as c. Therefore, 2(8x-25)+2(7x+55)=360. Solve for x and plug it into your original equation and you will have...

First, set it up %/100 = is/of Then fill in the blanks x/100 = 57/60 Multiply top to bottom across the equal sign then divide by the other number 57x100=5700 5700/60=95 So, 57 is 95% of 60