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help students understand how fractions and decimal numbers are related. Her teacher showed her on the ruler that 0.5 is equivalent to circumference of a circle, Whiet number below will give him the approximate value of ? A 300 B. 3.14 0.5 C. 328 liquip D. 3.43 Inches 1 2 11 What decimal number is equivalent to 12 Question 3 Which of the following numbers rational? A 1 78 A 0.31311 B. 1 1875 C 1.875 C v16 D. 1.75 D. 27

Sagot :

The measuring rule shows lines graded between each unit.

Each unit has four lines between them which means each line is a quarter, or 1/4 or 0.25 of each unit.

When the ruler indicates 0.5, that is shown as two quarters, or one half (that is 1/2).

Therefore when the ruler indicates

[tex]\begin{gathered} 1\frac{7}{8} \\ \text{That can be broken down into } \\ 1+\frac{2}{8}+\frac{2}{8}+\frac{2}{8}+\frac{1}{8} \\ \text{Note that }\frac{2}{8}\text{ is equivalent to }\frac{1}{4} \\ \text{Also }\frac{1}{4}\text{ is equivalent to 0.25} \\ \frac{1}{8}\text{ is half of }\frac{1}{4},\text{ and that is equivalent to half of 0.25} \\ \text{Therefore, we now have} \\ 1+0.25+0.25+0.25+0.125 \\ =1.875 \end{gathered}[/tex]

The correct answer is 1.875