exam
Maths Puzzle
Numerical Ability
The main road in Belleville is 7 3/10 miles long. So far, 2 3/4 miles have been repaved. How many miles have not been repaved?
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exam Other Question
carbon-11 decaays at the rate of 3.5% per minute. assume that 100% is present at time 0 min.
a. what percentage remains after 1 min?
b. write the equation that expresses
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