Here are four fractions labelled A, B, C and D.

Mathematics

1 answer:

Snezhnost [94]2 years ago

5 0

Answer:

find the common denominator for all.

and turn into equivalent fractions

so let's say common denominator in this instance is 300 whatever you do to bottom must be done to the top.

4 X 75 =300

3 X 75 = 225

225/300

6 X 50 = 300

5 X 50 = 250

250/300

25 X 12 = 300

16 X 12 = 192

192/300

15 X 20 = 300

9 X 20 = 180

180/300

A)225/300 B)250/300 C)192/300 D)180/300

answer= D, C, A, B

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Laura has a rectangular piece of wood that is 7in by 4in she wants to cover it with strips of ribbon that are 1/4 inch wide what

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Answer: 112 inches.

Step-by-step explanation:

You know that the width of the rectangular piece of wood is 4 inches and the width of the strip ribbon is 1/4 inches.

Then, let be "n" the number of strips ribbon that Laura needs to cover the width of the rectangular piece of wood (Assuming that she will cover the wood in the form shown in the figure attached). This is:

$n=\frac{4in}{\frac{1}{4}in}\\\\n=16$

To find the lenght of ribbon that Laura needs to conver the wood, you must multiply the number of strips ribbon "n" by the lenght of the rectangular piece of wood, then you get:

$lenght=(16)(7in)\\lenght=112in$