Mya used cooking oil and water in a ratio of 7 : 2 to make a lava lamp. She used 350 ml of cooking oil. How much water would she need?

Susan spent 30% of his money on groceries and saved 7/10 of the remaining money. She had $42 left. Find the original amount of money that Susan had at first.

2/3 of Ethan’s savings is equal to 1/2 of Felicia’s savings. Ethan’s savings is $51. How much is Felicia’s savings?

Mrs. Paula bought a deep fryer and had to pay $24 for 6% GST. What was the original price of the deep fryer?

The mass of two boys, Varel and Steven, is in the ratio of 13 : 17. Varel’s mass is 52 kg. What is the difference mass of the two boys?

Given the lengths of a triangle respectively: x cm, (x+7) cm and 3x cm. If x stands for 5 cm, what is the perimeter of the triangle?

In a Fun Park, 2/5 of the visitors were men. 24% of the visitors were women and the rest were children. There were 108 children. How many men were there?

A ratio of the number of fiction books to the number of non-fiction books in a library was 7 : 4. 150 fiction books were borrowed by some visitors. The ratio of the number of fiction books to the number of non-fiction books became 1 : 2

A store gives 45% for all items during a sale. Express the amount of discount given by the store as a fraction in its simplest form.

At a computer fair, a laptop was sold at a 30% discount. Jason paid $490 for a laptop after the discount. What was the price of the laptop before the discount?

Express 1 and 3/4 as a percentage.

A jug contains 2 liters of water. The water is poured into some glasses. The capacity of each glass is 3/8 litres. Find the maximum number of glasses that can be completely filled with the water from the jug.