0.2 x 0.3 x 0.4 x 400 = 9.6
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30% of 40 is equal to 30 X 40 / 100 = 12 25% of 20 is equal to 25 X 20 / 100 = 5 answer together is 30X40+25X20 / 100 = 17
the number = 20 Let N = the number 30% of N = 15% of 40 30% * N = 15% * 40 0.30N = 0.15* 40 0.30N/0.30 = 6/0.30 N = 20
20% first day, 40% second day, Total percent of rain over the two days is (20+40)/2 = 30% per day
40% = 400
40 - 20 percent = 820% of 40= 20% * 40= 20%/100% * 40= 8