If 6:2=8:x, then

6x = 16
6x = 10
2x = 48
2x = 14

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?