Oh, dude, you're asking me to do math? Fine, fine. So, 250 percent of 4.2 is like 10.5. You just multiply 4.2 by 2.5, and there you go. Now you can impress all your friends with your newfound knowledge of percentages. You're welcome.
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To find 250 percent of a number, multiply the number by 2.5. In this instance, 4.2 x 2.5 = 10.5. Therefore, 250 percent of 4.2 is equal to 10.5.
2.31/42 x 100 = 5.5 percent.
To find 40 percent of 250, you can multiply 250 by 0.40 (which is the decimal equivalent of 40 percent). This calculation would look like 250 x 0.40 = 100. Therefore, 40 percent of 250 is 100.
68% of 250= 68% * 250= 0.68 * 250= 170
250 - 225 / 250 *100 = 250 - 0.9*100 = 250 - 90 = 160 The answer is exact so percent error is zero.
20 percent of 250 is equal to 50, therefore if you add 50 to 250 you get 300.