The number 18 is increased to 19. What is the percentage by which the number was increased, to the nearest tenth of a percent?

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m