Jamie invests money. In the first year it increases to 110% of its original value. He spends 20% of the profit on a cricket bat and 1/8 of the reminder on a cricket jumper.
He is left with £140 profit. How much did Jamie invest?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics