exam Maths Puzzle Numerical Ability

Determine if the two equations are parellel, perpendicular or neither

2/5x - 1/3y = 7/8
1/3x - 2/4y = -72

This is not from a book

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exam Other Question

If $350 is deposited in an account paying 12% of annual interest compounded monthly, then how much is in the account at the end of 6 years and 6 months? Write the verbal sentence as an inequality.Then solve the inequality.

A number minus 8 is no more than -3

Can someone help with this equation?