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Dokumen Let's Practise

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Andi Maulana

Academic year: 2023

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Let’s Practise

Niko scored 60 marks for English paper in the mid-year examination. Her score increased by 15% in the end-of-year examination. How many marks did Niko score in the end-of-year English examination paper?

Hee Kian had $5200 in his savings account. He withdrew some money and his savings decreased by 28%. How much amount did Hee Kian have left?

A year ago, Mariana was 144 cm tall. That was 90% of her current height.

How tall is Mariana now?

How much did she grow since a year ago?

Mrs Divya sold 36% of the cookies she baked. She had 96 cookies left.

How many cookies did she bake?

How many cookies did she sell?

Ahmad’s salary last year was $3000. His salary this year is $3250. What was the percentage increase in his salary, correct to 1 decimal place?

The mass of a box of apples was 24 kg. Some apples were removed from the box and the mass of the box dropped to 21 kg. Find the percentage decrease in the mass of the box.

There were 40 pupils in the choir last year. 14 pupils joined the choir this year. Find the percentage increase in the number of members in the choir.

Ridwan collected 27 more stamps this week. The increase was 3% of the number of stamps in his stamp collection last week. How many stamps does he have now?

© 2018 Marshall Cavendish Education Pte Ltd. Copying is permitted.

44 Chapter 4 Lesson 2

© 2018 Marshall Cavendish Education Pte Ltd. Copying is permitted.

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