Alguien me ayuda con esa 10-10×10+10 cuanto es bien explicado porfa

12 is 33 1/3% of 36 what is the whole

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

If there are 3.281 feet in 1 meter, how many inches are in one centimeter