book Maths Puzzle Numerical Ability

What is 8/-3 - -7/5? I think I know what it is but I am not sure.

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book Other Question

solve the equation below for y in terms of x
4x+3y=15 Malik has $3.08 in dimes, pennies,and nickels. He has nine fewer nickels than dimes and one more peeny than dimes. How manof each coin does he have.