Question

A city's sales tax is 0.07. Write this decimal as a fraction and tell how many cents of tax are on each dollar.

Answer 1

To transform decimal to fraction its easy to read decimal. So
0.07 is seven hundredths. Now we know that in the nominator should be seven and in the denominator 100.
So
$0.07= \frac{7}{100}$. - the result
 
Now we have to multiply 0.07 by dollar.
0.07*1$=0.07$ = 7 cents - the result