40 percent plus 20 percent plus 10 percent is 70 percent. That means 70 percent of the pens in the shop are not red and the other 30 percent are. If you want to know the exact amount do 30 percent of 400 which is 400 divided by 3.33 which is approximatly 120.
88+x≥92 Subtract 88 from each side to get:x≥4 So now you add 4 to the 92 to get 96, Mindy's minimum score on her second test to get at least a 92 average.
