Which sentence expresses the equation 9x=45 in words? Group of answer choices
A. The product of a number and 9 is 45.
B. The sum of a number and 9 is 45.
C. A number decreased by 9 is 45.
D. A number 45 is 9 more than another number.
Ps its not B

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Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?