How do i find the smallest multiple of 19 thats greater than 500 i know the answer but i want to know how to do it

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12