Answer:
6227020800
Step-by-step explanation:
There are 13 ways to choose the first person in the first group, 12 ways to choose the second person in the first group and so on until we get 1 way to choose the second person in the last group so the answer is 13 * 12 * 11 * ... * 3 * 2 * 1 = 13! = 6227020800.
306,34=8.50*x+75 |-75
231,34=8,50*x. |:8,50
27,22=x
Tabhita has to work 28 hours to be solvent for the tablet.
*She wants to save money to buy a tablet...*
24 + 36
12(2 + 3) (take out common denominators)
12(5) = 60
24 + 36 = 60
True
hope this helps