Answer:
$56
Step-by-step explanation:
You first round 49.99 and 29.99 to 50.00 and 30.00. Then you add them together and get 80.00. Now you discount them by 30 and get $56.00.
Hope It's right. Sorry if it's not.
Answer:
x=2, y=3
Step-by-step explanation:
y = 3
3x-y =3
Substitute y =3 into the second equation
3x -3 =3
Add 3 to each side
3x-3+3 = 3+3
3x=6
Divide by 3
3x/3 = 6/3
x =2
Answer:
x/2-4
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
-2x+8.1y
+9x-5.3y
________
get the answer 7x+2.8y