Answer:
Step-by-step explanation:
Let y be the total charge and x no of hours spent for cutting the lawn,
Then for Allan we have the equation as
y = 8.50x+15
SInce 15 is the fixed charge and 8.50 is charged per hour we get the above equation for Allan.
Next similarly for Taylor, we have fixed charges 12 and variale 9.25
y =9.25x+12
When Taylor total charges is greater than Allan's total charge
we have 9.25x+12>8.5x+15
Simplify to get
0.75x>3
Or x>4
Whenever x i.e. no of hours exceed 4, Taylor charges will be greater than that of Allan
Step-by-step explanation:
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Answer: -95/42 for exact
-2 11/42 for mixed
Step-by-step explanation:
Answer:
The probability of not drawing blue is 0.3
Step-by-step explanation:
The bag contain a total of:
Blue marbles + green marbles + red marbles
= 777 + 222 + 111
= 1110
We are to find the probability of not drawing a blue marble, if a blue marble is not drawn then the drawn marble is either green or red marbles
P(not draw blue) = p(draw green) + p(draw red)
P(not draw blue) = 222/1110 + 111/1110
P(not draw blue) = 333/1110
P(not draw blue) = 0.3
