FOR EASY BRAINLIEST ANSWER THIS WITH EXPLANATION!ASAP

Question: A cashier has 20 bills, all of which arc ten-dollar or twenty-dollar bills. The value of the money is $250. How many of cach type docs he have?

Respuesta :

Answer:

5 $20 bills

15 $10 bills

Step-by-step explanation:

x+y=20

10x+20y=250

thats all I remember about substitution/elimination lol