Posts by Bob Warnock
1. Teaching Maths In 1970
A logger sells a truckload of timber
1. Teaching Maths In 1970 A logger sells a truckload of timber for £100.. His cost of production is 4/5 of the price. What is his profit? 2. Teac...
1. Teaching Maths In 1970 A logger sells a truckload of timber for £100.. His cost of production is 4/5 of the price. What is his profit? 2. Teac...
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