Answer:
$150
Step-by-step explanation:
Additional 5% and 20% on the original cost is additional 25%
Total cost = 125% of 120
= (125/100)×120
= 150
Answer:
A function normally tells you what y is if you know what x is.
Answer:
18600
Step-by-step explanation:
20000/100=200
(200)(7)=1400
20000-1400=18600
Answer:
Thanks the answer is 8
Step-by-step explanation:
7x + 3y = 30
-2x + 3y = 3....multiply by -1
-----------------
7x + 3y = 30
2x- 3y = -3 (result of multiplying by -1)
----------------add
9x = 27
x = 27/9
x = 3
7x + 3y = 30
7(3) + 3y = 30
21 + 3y = 30
3y = 30 - 21
3y = 9
y = 9/3
y = 3
solution is (3,3)