Jo walks every day. This week she walked an average of 2300 steps a day. Next week she plans to increase this by 15%. Work out how many steps she plans to walk in total next week? Jo buys a pair of walking boots for £63 in a sale. She saves $ \frac{1}{10} $ of the original price of the boots. Work out how much money Jo saves.

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Jo walks every day - OCR - GCSE Maths - Question 8 - 2020 - Paper 3

Question 8

Jo walks every day. This week she walked an average of 2300 steps a day. Next week she plans to increase this by 15%. Work out how many steps she plans to walk in t... show full transcript

Worked Solution & Example Answer:Jo walks every day - OCR - GCSE Maths - Question 8 - 2020 - Paper 3

Step 1

Work out how many steps she plans to walk in total next week

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Answer

To calculate how many steps Jo will walk next week, we first find 15% of her current daily average of 2300 steps.

Calculate 15% of 2300: $0.15 \times 2300 = 345$
Add this to her current daily average to find her new daily average: $2300 + 345 = 2645$
Since she walks every day, to find the total for the week, we multiply her new daily average by 7: $2645 \times 7 = 18515$

Thus, Jo plans to walk 18515 steps in total next week.

Step 2

Work out how much money Jo saves

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Answer

To calculate how much money Jo saves on the boots:

Find the amount she saves by calculating ( \frac{1}{10} ) of the original price: ${\text{Original Price}} = £63$ $\text{Savings} = \frac{1}{10} \times 63 = 6.3$

Thus, Jo saves £6.30.

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