Answer:
<u>4 hours</u>
Step-by-step explanation:
Equations :
Larry : <u>y = 20x + 90</u>
Barry : <u>y = 30x + 50</u>
Equate both to find the number of hours at which they both charge the same :
- 20x + 90 = 30x + 50
- 30x - 20x = 90 - 50
- 10x = 40
- x = <u>4 hours</u>
3 is 93 and 4 is -18 i hope this helped
The answer i believe is C
Answer:
1/24
Step-by-step explanation:
SHAWTYYY THIRSTY
Answer:
this should be the graph.
Step-by-step explanation:
I hope this helps.