SIMPLE INTEREST: Jessie deposited P150,000 in an account that pays 3% simple interest. How much interest will he earn after 10 years?

For how answer my question this will be the last question can you answer in math subject

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?