What is 18/25 subtracted by 41/50
2 answers:
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See the photo mate.As we know time=speed/time than as he travelled 4km in 1 hour probably his speed is 4km/h than time required to travell 7km
Time=7/4=1.75hours
It can be useful to know the prime factorization of the number:
Then, remember that the n-th root of a number is the same as that number to the 1/n-th power:
Finally, you have to remember the rule for raising a power to another power, i.e. you multiply the exponents:
Put together everything we said so far to write