## Exam Style Question## Worked solutions to typical exam type questions that you can reveal gradually |

Question id: 256. This question is similar to one that appeared in a GCSE Higher paper (specimen) for 2017. The use of a calculator is not allowed.

A Primary school asked 9 children to remove the weeds from the school gardens.
The gardens measured 100m^{2} in total and the job was completed in 10 hours (spread over many weeks).

(a) The school was asked to find volunteers to weed another garden measuring 250m^{2} at a nursing home.
This work has to be completed in 15 hours.

Calculate the least number of children the school needs to find for this work.

(b) State one assumption you have made in your answer to part (a). How would your answer to part (a) change if you did not make this assumption?

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