Mathematics, 27.05.2020 19:10 EatsChiken

Item 21
You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n? Explain.

Because 30% of n is equal to
times 15% of n and 45% of n is equal to
times 15% of n, you can write

30% of n=
×12=

and

45% of n=
×12=
.

Answers: 2

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Item 21
You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n...

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Item 21 You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n? Explain. Because 30% of n is equal to times 15% of n and 45% of n is equal to times 15% of n, you can write 30% of n= ×12= and 45% of n= ×12= .

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Item 21
You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n? Explain.

Because 30% of n is equal to
times 15% of n and 45% of n is equal to
times 15% of n, you can write

30% of n=
×12=

and

45% of n=
×12=
.