Step by step solution to "Determine: 12 1 2 % of 80"

Jayvion Caldwell

Answered question

2022-07-29

Determine:

12 \frac{1}{2} %

of 80

umshikepl

Beginner2022-07-30Added 11 answers

Step 1
We see that

25

of somthing is also

\frac{1}{4}

1) One quarter or

\frac{1}{4}

of 80 is 20

\dots 20 + 20 + 20 + 20

2) Notice

12 - \frac{1}{2}

is half of 25.
And,

12 - \frac{1}{2} %

is half of

\frac{1}{4}

12 - \frac{1}{2} % of 80 = (\frac{1}{2}) of (\frac{1}{4}) of 80 (\frac{1}{2}) of 20 is 10

So,

12 - \frac{1}{2} of 80 = 10

Freddy Friedman

Beginner2022-07-31Added 5 answers

Step 1

12 \frac{1}{2} % of 80

= \frac{25 \times 80}{2 \times 100}

= 10

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