exam Maths Puzzle Numerical Ability

If 2 ipods and 3 movie downloads cost $31
If 2 ipods and 2 movie downloads cost $29
What is the cost of each?
use x for ipods and y for downloads.

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exam Other Question
A 29-ft board is cut into two peices, one of which is 13ft longer than the other. How long is each peice? rewrite in exponential form : -4radical 3^3