exam Maths Puzzle Numerical Ability

Could you please help me solve this problem? I have submitted it 3 times and no one is helping me. Thank you-Karen

9. (10 pts)

In a survey of 75 resorts, it was reported tha

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exam Other Question

Factor the expression 11(x + y) - 7 t(x + y).

(11 - 7t)(x + y)
this is what i have come up with. A certain sum of money is invested at 10%. Twice that amount is invested at 8%. The total amount of interest from both investments is $91.00. How much is invested at 8%. Can you show me how you work it out and solve it?