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GCSE Calculator Questions 3 (2013/Foundation Tier)

- WORKSHEET Flag

- Introduction

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**Formula Sheet**

Foundation Tier

**Area of trapezium** = ½ (a + b) h

**Volume of prism** = area of cross-section x length

- QUESTIONS Flag

- Question 3

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The following table shows the numbers of right and left-handed children in a school year group of 70 children.

Boys | Girls | Total | |
---|---|---|---|

Right | 24 | ||

Left | 4 | 10 | 14 |

Total | 28 | 70 |

Complete the table before answering the question.

What is the probability that a **girl **chosen at random is right-handed?

*(Write your answer with the / symbol, e.g. 2/3 and remember to reduce your fraction to its lowest terms)*

- QUESTIONS Flag

- Question 13

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Two phone contract options are shown below:

**Option 1**

£32 Monthly Charge.

300 free minutes and 150 free texts.

Additional calls 5p per minute. Additional texts 10p each.

**Option 2**

£35 Monthly Charge.

350 free minutes and 100 free texts.

Additional calls 4p per minute. Additional texts 6p each.

On average, Jack makes 400 minutes of calls and sends 200 texts.

Which option should he choose?

option 1

option 2

no difference

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