70% of what number is 21?
2 answers:
The first answer is 30
21 x 10 = 210
210 ÷ 7 = 30
Answer: 6.57
60% of 90 =54
1. 30
21 x 100 = 2,100
2,100 ÷ 70 = 30
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2. 6.57
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3. 54
90 x 60 = 5,400
5,400 ÷ 100 = 54
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Hope this helped. Have a great day!
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