4.2% = 0.042
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Number*percent in a decimal 200 * .42 = 84
Move the decimal place over two places to the right, and replace the decimal into a percent. (.42 = 42%) either that or you see how many times the numerator goes in to one hundred & then that's it...
to make decimal into percentage, you move the decimal 2 places to the right. so 0.42 would be 42% .4 would be 40% also it's the same for the percentage to be in decimal, but the opposite. move the decimal 2places to the left. 42% would be .42 9.7% would be .097 i hope it helped you :)
Oh, dude, math time! So, to find what percent of 42 is equal to 35% of 120, you first calculate 35% of 120, which is 42. Then you realize, wait a minute, that's the same as the original number, 42! So, technically, 42% of 42 is equal to 35% of 120. Mind-blowing, right? Math can be fun... or not.
To find 70 percent of a number, multiply the number by 0.7. In this instance, 0.7 x 60 = 42. Therefore, 70 percent of 60 is equal to 42.