Resuelva el siguiente problema y escoja la opción correcta. Un tren de mercancía lleva vagones de 7,15 m cada uno y una locomotora de 6,3 m. Si el tren tiene 4 vagones, ¿Cuánto mide en total?

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

How do i multiply two digit numbers

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)