Percentages

Answer all of the following.

1.  Calculate
     (a)  20%  of  $200
     (b)  5% 0f $5 000

2. Dahlia use 30% of her salary to pay for food each month. If the amount used for food is $500, what is her salary?

3.  David deposit $4000 at the beginning of year 2009. After a full year, what is his dividend if the rate is 6% ?

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