Hello,
y=2x+1
x=2y+1 exchange x and y
==>2y=x-1 solve for y
==>y=(x-1)/2
==>y=x/2-1/2
Answer A
Answer:
y=13.3333...
x=6
Step-by-step explanation:
y=20/1.5
y=13.3
x=9/1.5
x=6
Answer: 135 is the answer.
Step-by-step explanation:
Answer:
23
Step-by-step explanation:
After 100 more minutes, the rate has gone from 30 to 80, increasing by 50. 100 divided by 50 is 2 so for every 2 minutes she is charged one dollar, but per minute the rate is 50 cents per minute. Hope this helps :)
