reneew9810 reneew9810
  • 03-08-2017
  • Mathematics
contestada

The screen on Lawrence's new phone is 3.15 centimeters long.What mixed number represent the lenght of the phone screen?

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merlynthewhizz
merlynthewhizz merlynthewhizz
  • 11-08-2017
A mixed number is written in a form of [tex]a \frac{b}{c} [/tex], where 'a' is a whole number.

One example of mixed number is [tex]3 \frac{1}{4} [/tex], read as 'three and one quarter'. As decimal fraction, [tex]3 \frac{1}{4} [/tex] equals to 3.25

We are given the value of 3.15 and to change this into a mixed number, first note the whole number, which is 3.

We then change the decimal value 0.15 into a fraction and it is [tex] \frac{15}{100}= \frac{3}{20} [/tex] 

Hence, 3.15 = [tex]3 \frac{3}{20} [/tex] 
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