1. Write the percentage equivalent of the following fractions:
a. [tex]\frac{1}{4}[/tex]
b. [tex]\frac{2}{3}[/tex]
c. [tex]\frac{5}{8}[/tex]
d. [tex]1 \frac{4}{5}[/tex]
e. [tex]4 \frac{9}{10}[/tex]
f. [tex]3 \frac{7}{8}[/tex]

2. Write the decimal equivalent of the following:
a. [tex]\frac{3}{4}[/tex]
b. [tex]80 \%[/tex]
c. [tex]\frac{1}{5}[/tex]
d. [tex]7 \%[/tex]
e. [tex]1 \frac{7}{8}[/tex]
f. [tex]\frac{1}{6}[/tex]

3. Evaluate the following:
a. [tex]25 \%[/tex] of 80
b. [tex]80 \%[/tex] of 125
c. [tex]62.5 \%[/tex] of 80
d. [tex]30 \%[/tex] of 120
e. [tex]90 \%[/tex] of 5
f. [tex]25 \%[/tex] of 30

4. Evaluate the following:
a. [tex]17 \%[/tex] of 50
b. [tex]50 \%[/tex] of 17
c. [tex]65 \%[/tex] of 80
d. [tex]80 \%[/tex] of 65
e. [tex]7 \%[/tex] of 250
f. [tex]250 \%[/tex] of 7

5. In a class of 30 students, [tex]20 \%[/tex] have black hair, [tex]10 \%[/tex] have blonde hair, and [tex]70 \%[/tex] have brown hair. Calculate the number of students with:
a. black hair
b. blonde hair
c. brown hair

6. A survey conducted among 120 school children looked at which type of meat they preferred. [tex]55 \%[/tex] said they preferred lamb, [tex]20 \%[/tex] said they preferred chicken, [tex]15 \%[/tex] preferred duck, and [tex]10 \%[/tex] preferred turkey. Calculate the number of children in each category.

7. A survey was carried out in a school to see what nationality its students were. Of the 220 students in the school, [tex]65 \%[/tex] were Australian, [tex]20 \%[/tex] were Pakistani, [tex]5 \%[/tex] were Greek, and [tex]10 \%[/tex] belonged to other nationalities. Calculate the number of students of each nationality.

8. A shopkeeper keeps a record of the number of items he sells in one day. Of the 150 items he sold, [tex]46 \%[/tex] were newspapers, [tex]24 \%[/tex] were pens, [tex]12 \%[/tex] were books, and the remaining [tex]18 \%[/tex] were other items. Calculate the number of each item he sold.