Answer:
or
Step-by-step explanation:
4x + 15 < 40
Subtract 15 from both sides
4x + 15 - 15 < 40 - 15
4x < 25
Divide both sides by 4
4x/4 < 25/4
x < 6.25
or
x < 6 1/4
The speed of a boat in still water is 24 mph. It goes 15 miles downstream and comes back in 80 minutes. What is the speed of the
1 answer:
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Answer:
Step-by-step explanation:
Given: A fair coin is tossed 5 times in a row.
Total outcomes=2×2×2×2×2=32 [total outcomes in a coin is 2]
Let A be the event of getting heads exactly 2 times
Then the favorable outcomes=
Then probablity of getting heads exactly 2 times =