exam Maths Puzzle Numerical Ability

translate into a algebraic equations :

1) A girl buys three apples and seven oranges for $4.56. If an orange costs $0.28 more than an apple, how much does each fruit cost?

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exam Other Question
2r-6/6+2/6=-r/3 ^9
[ (y^2/3)(y^-5/6)]
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[ (y^1/9) ]

(Hoping that reads correctly, but if I had to say it - it would read: y to
th