exam Maths Puzzle Numerical Ability

Folders cost .79 Spiral notebooks cost 1.19 5.54 spent how many folders and how many spiral notebooks bought? How do i set this up?

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exam Other Question

Paul invested $5000 in a time deposit. What interest will
he earn for 1 year if the interest rate is 6.5%?
Solve each of the following applications.
Given the digits 1, 3, 6, 9, find the probability that a four digit number formed by using each of them only once is divisible by 7.