Dianne manufacturers mexican and american flags. due to the cost of color, she charges $20 for mexican flags and $15 for american flags. she sold twenty-eight flags and accumulated $460. how many flags of each type did she sell?

She sold 20 american flags and 8 mexican flags.

Step-by-step explanation:

In order to solve this we first have to do an equation, we will represent the american flag with the letter x, the mexican flag with y, so the amount of flags sold will be x+y=28, that would be our first equation, and the second will be 15x+20y=460.

We have both of out equations so now we just clear from x from the first one to get:

x=28-y

and insert that as value of x in the second one:

15x+20y=460

15(28-y)+20y=460

420-15y+20y=460

5y=40

y=8

Since y=8 we know that x= 20

answer: a and b

step-by-step explanation:

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.