13) The price of petrol goes up by 10%. By how much per cent must a motorist reduce to consumption of petrol so that the expenditure on it remains unchanged?

Is this a polynomial function? i need to know asap

I’m stuck on this equation, anyone got the answer?

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%