Writing each ratio in simplest form 25 boys to 40 girls

3x+2y=5 2x-2y=5 i got 2 so i kind of know how to do it but not that sure yet on how to do the whole equation

Joe made 3 million cookies he gave 2,002 to his friend how much cookies does Joe have left

You went to a park with $50 and decided you want to rent a horse to go horse back riding. it costs $10 for the first hour and $6 each additional hour. If you want to go home with $10 in your pocket, how many hours did you go horse back riding?

If you buy ice cream in 1 liter each tub cost $2 you can fill ten cones from each tub each empty cone cost 5 cents you can plan to sell each filled cone for 80 cents how much profit do you expect to make on a day

1569.1 is 130% of what number?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.