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 %.