Question

kindly provide solution to each question separately. please​

Answer 1

hope it helps you ⬆️⬆️

Ans 5) 61620

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Answer 2

$(x + y) - (x - y) = 30 \\ x + y - x + y = 30 \\ 2y = 30 \\ y = \frac{30}{2} = 15 \\ xy = 900 \\ 15x = 900 \\ x = \frac{900}{15} = 60$

I HOPE YOU UNDERSTAND....