1) Mrs Tan had ^{4}⁄_{7} of her pencils left after selling 567 of them at $0.70 each. She sold ^{2}⁄_{3} of the remainder at $0.30 each. How much did she receive from the sales of the pencils?

Ans :- Mrs Tan received $548.10.

2) Adrian and John saved $880 altogether. ¼ of Adrian's savings is $40 more than ^{1}⁄_{5} of John's savings. What is John's savings?

Ans :- John's saving is $400

3) After saving for a month, ^{1}⁄_{5} of Heidi's savings was equal to ^{3}⁄_{7} of Joseph's savings. After Heidi spent $356 and Joseph saved an additional $428, they had an equal amount of money in their savings. How much did Heidi and Joseph save altogether in the end?

Ans :- Altogether they saved $2228 in the end.

4) John's age is ^{1}⁄_{8} of his father's age now. His father will be 36 years old in 4 year's time. How old will John be when he is ^{3}⁄_{5} of his father's age?

Ans :- John would be 42 years old.

5) Mrs Ahmad has ^{7}⁄_{9} kg of salt. She repacks them into packets of ^{1}⁄_{8} kg each.

(a) How many such packets of salt does she get?

(b) What is the mass of the leftover salt?

Ans :- a) ≈ 6 packets

b) The mass of left over salt ^{1}⁄_{36} kg

6) There were some pupils in a hall. Then ¼ of the boys and ^{1}⁄_{6} of the girls left the hall. If 120 pupils left the hall and ^{5}⁄_{6} of them were boys, how many pupils were there in the hall at first?

Ans :- At first there were 570 pupils in the hall.

7) There were 303 pupils in a hall. ^{2}⁄_{9} of the girls and ^{1}⁄_{3} of the boys wore their school T-shirt. If there were 79 pupils who wore their school T-shirts, how many boys wore their school T-shirt in the hall?

Ans :- 35 boys wore their school T-shirt.

8) Mr Goh spent $900 of his salary on a camera and ¼ of his remaining money on a DVD player. If he had $1200 of his salary left, how much was his salary?

Ans :- His salary was $2500

9) ^{3}⁄_{4} of Gina's money is equal to ^{2}⁄_{5} of Henry's money. If Henry gives Gina $42, they each will have the same amount of money.

(a) Express Gina's money as a fraction of Henry's money.

(b) How much do they have altogether?

Ans :- a) ^{8}⁄_{15}

b) Altogether they had $276

10) Jon invited 20 more girls than boys to his party. ^{3}⁄_{4} of the girls and ^{2}⁄_{3} of the boys turned up for the party and 26 children did not turn up. How many children did Jon invite to the party?

Ans :- Jon invited 92 children