exam
Maths Puzzle
Numerical Ability
A boat goes 6 miles per hour in still water. It takes as long to go 40 miles upstream as it does to go 80 miles downstream. Find the speed of the current.
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exam Other Question
The inventor of a new product believes that the cost of producing the product is given by the function
C(x)=1.75x+7000
How much does it cost to produce 2000 units of the inventi
Solve the following application.
Business and finance. The electricity costs of a business decreased from $12,000 one year to $10,920 the next. What is the rate of decrease?