Let the number of hours be x
Assume x > 1
Total cost = 30 + 20(x -1) = 30 + 20x - 20 = 10 + 20x
Answer:
solve it like there's and equals sign
Step-by-step explanation:
2x-1=6
+1+1
<u>2x</u>=<u>7</u>
2 2
x=3.5
then put the greater than sign back
x>3.5
Answer:
1,728,000
Step-by-step explanation:
there are 86400 seconds in a day so you have to multiply 86400 times 20
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the best i can do