Let’s imagine that we tested the air in your classroom and found 7 different kinds of mould. Eek! The cleaner says that it takes 5 days for each mould to be eradicated (removed). If the school had to remove each mould one at a time, how long would it take to remove all the mould from the classroom?
On your blog, tell us how you would solve this tricky maths problem. Be sure to also post your final answer in days or weeks.
There is 7 different kind of moulds. It takes 5 days for each mould to be eradicated.
1 of the moulds would take 5 days. 5 x 5 = 25, 2 x 5 =10. 25 + 10 =35
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