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[tex]\red{\bold{Answer:}}[/tex]
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1.) 10% of N = 5
2.) 15 of 50% of what number?
3.) 75% of N is 30
4.) 90 is 40% of N
[tex]\red{\bold{Solution:}}[/tex]
1. 10% in Decimal is 0.10
[tex]5 \div 0.10 = 50 \\ 50 \times 0.10 = 5[/tex]
2. 50% in Decimal is 0.50
[tex]15 \div 0.50 = 30 \\ 30 \times 0.50 = 15[/tex]
3. 75% in Decimal is 0.75
[tex]30 \div 0.75 = 40 \\ 40 \times 0.75 = 30[/tex]
4. 40% in Decimal is 0.40
[tex]90 \div 0.40 = 225 \\ 225 \times 0.75 = 90[/tex]
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