HELP ME ASAP A cell phone costs $299 and is now on sale for 30% off.

1) The discount is-
.

2) The cost after discount is-
.

3) The final cost including 5% sales tax is-

Step-by-step explanation:

1) 30 : 100 = x : 299

x = (30 x 299)/100

x = 89,70 $

2) 299 - 89,70 = 209,30 $

3)  5 : 100 = x : 209,30

x = 10,465 $

209,30 + 10,465 = 219,77 $

mnkjn

step-by-step explanation:

false

step-by-step explanation:

false : it can not go to 9 the highest that part can go is 7

here is your proof