Translate the following words into equations.
i. 15 is equal to 9 more than a number
ii. the quotient of 28 and a number is 7

When y’all answer can y’all explain too !

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2