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1. What part of 3 hours is 45 minutes?​

Sagot :

Answer:

[tex]25\%[/tex]

Step-by-step explanation:

Let

[tex]x - unkown[/tex]

[tex]What \: part \: (x) \: of( \times ) \: 3 \: hours \: (3 \times 60 = 180 \: minutes) \: is \: ( = ) \: 45 \: minutes \: (45)[/tex]

[tex]x \times 180 = 45[/tex]

solve for x;

[tex]x = \frac{45}{180} = 0.25 \: or \: 25\%[/tex]

Note: In order to convert Decimal to percentage, move the decimal sign 2 steps to the right and add %.