exam
Maths Puzzle
Numerical Ability
You have $50,000 to invest, you invest some at 5% and the rest at 4%. You earn $2100 in annual interest, how much did you invest at each rate?
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exam Other Question
amount of a radioactive tracer remaining after t days is given by A=A0e^-0.058t, where A0 is the starting amount at the beginning of the time period. how many days will it take for one half of the original amount of decay?
Evalute the expression.
23/41 divided by 25/82 - 3/10