Lynn Byrd, Greg Byrd and, Chris Pearce Solutions for Chapter: Percentages, Exercise 3: Exercise 10.2

Author:Lynn Byrd, Greg Byrd & Chris Pearce

Lynn Byrd Mathematics Solutions for Exercise - Lynn Byrd, Greg Byrd and, Chris Pearce Solutions for Chapter: Percentages, Exercise 3: Exercise 10.2

Attempt the practice questions on Chapter 10: Percentages, Exercise 3: Exercise 10.2 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access solutions are prepared by Experienced Embibe Experts.

Questions from Lynn Byrd, Greg Byrd and, Chris Pearce Solutions for Chapter: Percentages, Exercise 3: Exercise 10.2 with Hints & Solutions

MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 1

Choose some more percentages that end in .5. Write these percentages as fractions in their simplest form. What different denominators do you get? What is the largest denominator? What is the smallest denominator? 

HARD
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 11

Work out 30% of $60.

Use your answer to work out some percentages of $60 that are greater than 100%.

HARD
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 12

Look at the diagram.

Question Image

What percentage of $50 is $40?

HARD
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 12

Look at the diagram.

Question Image

What percentage of $40 is $50?

HARD
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 18

The cost of a car increases by 5%. What percentage of the original price is the new price? 

HARD
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 18

The cost of petrol increases by 80%. What percentage of the original price is the new price? 

MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 19

Ruqiyah is trying to answer this question: 
What percentage of $125 is $200? 
She thinks the answer is a whole number. 
She cannot find the answer. Can you help her? 

MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 10 - Percentages>Exercise 10.2>Q 20

Vikram wants to work out 135% of $40 but he does not know how. Describe some different methods to do this calculation. Which method do you prefer? Why?