exam Maths Puzzle Numerical Ability

quotients of expression involving exponents
vu^6/v^3u^4

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exam Other Question

I am having a hard time with this word problem, can you please help?

A car travels 60 miles in the same time that a car traveling 10 miles per hour faster travels 90 miles. What is the rate of each car?

Thanks a bunch!
Mrs. Kim is four years younger than her husband. Find the age of each if the total oh their ages, including that of their one year old is 63.