exam
Maths Puzzle
Numerical Ability
an orchard operator must dilute 11 quarts of 60% insecticide solution by adding water. How many quarts of water should be added to get a mixture that is 2% insecticide?
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exam Other Question
The cost of using a calling card is $.95 for the first minute and $.35 for each additional minute. The function is C (t)=.95+.35(t1) where t=time in minutes. What is the charge for 12 minutes?
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Find the distance between each pair of points.
A(4,-3) and B(-4,3)