The arithmetic mean of ten boys is 8 years, 6 months one of them is 13 years old. Then the arithmetic mean of remaining 9 boys i
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For this case we must solve the following equation:
So, we have:
We apply distributive property to both sides of the equation:
We add 14x to both sides of the equation:
We subtract 70 to both sides of the equation:
So, the solution is:
Answer:
Answer:
Step-by-step explanation:
I understand that there are 2 problems here, that's right?
1, The total time T to fly from New York to Los Angeles:
Time= Distance/average speed
2, The problem with the race:
A) The total time for the race is:
B) If you can swim at 2 miles per hour, that means r=2.
We replace r=2 and we will find the total time that we need like:
For rounding the answer: 1.84047 hours= 110 minutes