Solution
For this case we can do the following:
11y - 3x = 18
16y -3x = 33
We can multiply the first equation by -1 and we got:
-11y +3x =-18
16y -3x = 33
_______________
16y -11y = 33-18
5y = 15
y= 15/5 = 3
And then solving for x we got
x = -(18 -11*3)/ 3= -15/3 = 5
Answer:
430,000
Step-by-step explanation:
Since the thousandths place is more than 4 you can round up the ten thousands
60 min = 1 hr
30 times 2 = 60 minutes
7.7 times 2 = 15.4 km
15.4 km per hr is the answer
PLEASE MARK BRAINLIEST
Answer is C.9(3r-4) and 27r-36
Step-by-step explanation: