Algebraic expression: 12 + 8y – 5y + 4. Write the algebraic expression in its simplest form.

4/5 of the total number of people in a concert were men. 5/8 of the total number of men did not wear hats, the rest of men wore hats. 36 men wore hats. What was the total number of people in the concert?

Three months ago, Lionel’s height was 160 cm. Now, his height is 164.8 cm. What is the percentage increase in Lionel’s height?

There were 70 cars and 55 motorcycles in a parking lot. The number of cars was ... / ... of the number of motorcycles. (Give your answer in simplest form)

Mom had 3/4 kg of flour. She packed the flour equally into 3 bags. How much flour was there in each bag?

Given a ratio as follows. A : B = 3 : 2 and B : C = 5 : 7. Find the ratio of A : B : C?

Mr Joe had $182. He spent 2/7 of his money on transport. How much did he have left?

Willy is n years old now. He is 5 years younger than his sister. How old will Willy’s sister in 4 years’ time?

A fruit seller had 112 fruits. 3/7 of the fruits were kiwi fruits and 5/14 of the fruits were oranges. The rest were apples. 14 apples were sold. How many apples were left?

A pair of trousers cost $(w/4+2). If w = $64, what is the cost of the trousers?

Mr Wilson earned an interest of $160 after depositing a sum of money in a bank for one year. The interest rate per year was 4%. How much money did Mr Wilson deposit in the bank?

Jack cut a 6/5 m of wire into 4 equal parts. What was the length of each part of wire? (Give your answer in its simplest form).

Sarah had $x. Abigail had $3x. The sum of their money was $84. How much money did Abigail have?