Bear in mind that multiplying anything, and anything whatsoever by 1, has a product of the anything itself.
so, let's multiply 2/3 by 1 then and check about,
so, let's multiply 2/3 by 1 then and check about,
Martha walked 2 miles in 28 minutes at this rate how far can she walk in 70 minutes
1 answer:
She can walk 5 miles in 70 minutes.
Step-by-step explanation:
Given,
As Martha walked 2 miles in 28 minutes, therefore,
2 miles = 28 minutes
1 minute =
1 minute =
In 70 minutes = Total time * distance per minute
She can walk 5 miles in 70 minutes.
Keywords: Distance, Speed
Learn more about distance at:
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Answer:
a) 1,757,600 different plates possible.
b) 1,404,000 different plates possible.
Step-by-step explanation:
The permutations formula is important to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
(a) can be repeated:
There are 3 letters, each one with 26 possible outcomes.
2 digits, each with 10 possible outcomes
So
T = 26*26*26*10*10 = 1757600
1,757,600 different plates possible.
(b) cannot be repeated:
Here the permutations formula is used.
Three letters, from a set of 26.
Two digits, from a set of 10. So
1,404,000 different plates possible.