7) 65%
8) 5%
9) 19 pencils
10) 30 questions
7)20 - 7 = 13
13/20= 0.65
0.65= 65%
8) 40 - 38 = 2
2/40= 0.05
0.05 = 5%
9) 0.38 times 50 = 19
10) i just did 30 divided by 27 and got 90%