Four more than the product of a number and 7 is equal to 3translate sentence into equation

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?