20% of 2100 is 420
So the tax is $420
Then 2100-420= 1680
So he has $1680 left after paying the tax.
Answer: x= 9y - 77 its vertical intercep 0, -77
Kate : 2573 pennies
Zoe’s family saved 3 times so 2573 x 3 = 7725 pennies
sorry if it’s wrong :/
The Answer is in the attached file, I'm sorry if I can't write it on laptop, hope this helps man! :) and tell me if it's correct or wrong when your teacher see's it.