640If you multiply 40 x 16 the answer is 640.
It helps to remember that in math problems, the word "of" usually means "times".40 percent of 16 = 40% times 16 = (0.40 x 16) = 6.4
40 x 0.4 = 16
40
40 goes into 160 4 times.
40 with 16 remaining696 - 16 = 680 = 17 x 40
40 goes into 60 once
(2 and 1/2) times
20
It is: 2*(16+4) = 40
640 ÷ 16 = 40
6.4 times or 6 with remainder 16.