Aunt lucy and uncle vernon give ty some money. when they do, he has $16. they want to be fair though, so they give his sister adine, the same amount. adine had some money from before. she says, she had the same amount that uncle vernon gave her, but now she has $20. how much did aunt lucy give each child?

this was a math question in class, and i got the right answer, but was unable to explain it. any on how to explain these types of questions? ?
i'm only 11 and 6th grade is
i know my profile says otherwise, but mom told me to never put my real

If its non of them tell me..valerie took a day-trip. she drove from her house for a while and took a coffee break. after her coffee break, she continued driving. after  2  hours of driving after her coffee break, her distance from her house was  210  miles. her average speed during the whole trip was  60  miles per hour.valerie created the equation  y−210=60(x−2)  to represent this situation, where  xx  represents the time in hours from her coffee break and  yy  represents the distance in miles from her house.which graph correctly represents valerie's distance from her house after her coffee break?