3 years ago

Mrs. Cho drives 45 miles in one hour if her speed stays constant how many hours will it take for her to drive 405 miles?

Mathematics

2 answers:

igomit [66]3 years ago

7 0

You do 405 divided by 45 and the answer is 9

faltersainse [42]3 years ago

3 0

You can make proportion for this:
1 hr/45 miles=x/405
You cross-multiply like this: 405×1=405, then, 405÷45
The quotient is how many hours Mrs. Chi drives in 405 miles.
x= 9 hours
Hope I helped

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