35% of 420 is 147.
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520 as a percent = 52000% = 520 * 100%= 52000%
Are we talking of addition, subtraction, multiplicatio, division, percentage, ratios. Please clarify.
Assuming 35% of students attending this school are taking math, and 520 students attending this school are taking math, then 35% is 520 over the number of students attending this school. Let x= the number of students attending this school.So 35/100 = 520/x,35x = 520*100 (cross multiply)35x = 52000 (multiply)35x/35 = 52000/35 (divide both sides by 35)x = 1,485.71So, there are about 1,486 students attending this school. Note, that since x is not a whole number, that one of 35 and 520 students must be an estimate rather than the actual percent or number of students. Ok then well there you have it folks Mr. Smarty pants!
17% of 520= 17% * 520= 0.17 * 520= 88.4
70% of 520= 70% * 520= 0.7 * 520= 364