Answer:
70
Step-by-step explanation:
if 21 is 30%, divide 21 by 3 for get 7, which is 10%. Now multiply 7 by 10 to get 70 which is 100%
Hey! 70 skittles is your answer. My work's below!
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First, use this formula:
a certain percent (%) = a certain number (#)
# x 100 / %
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In this scenario...
30% = 21 (your provided numbers)
21 x 100 / 30 (the formula in action)
2,100 / 30 = 70
(2,100 is the result of 21 x 100, so divided by 30 you have 70!)
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Good luck! :)
~pinetree