Ages 12–14🧮 Mathematics12 verified questions on this shelf

Percentages (age 12+)

Solve problems involving percentage increase, percentage decrease, finding the original value after a percentage change, and calculating simple interest

Try three questions

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Question 1 of 3

A school is organizing a field trip. For every 5 students, there are 2 adult chaperones. If 150 students sign up, how many adult chaperones are needed? After the initial count, the school decides to increase the number of chaperones by 25% to ensure safety. How many adult chaperones will be on the trip in total?

Question 2 of 3

A school orders 120 notebooks. Each notebook costs $2.50 before any discounts. The supplier offers a 15% discount on the total order when the order is for 100 or more notebooks. After the discount is applied, a sales tax of 6% is added to the discounted total. What is the total amount the school will pay?

Question 3 of 3

A video game costs £240. The shop decides to raise the price by 15%. What is the new price after the increase?

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