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Math and Arithmetic

Ubaldo Larson

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Cards in this guide (8)
The sum of twice a number and three is greater than forty-nine

2a+3>49

-30 belongs to what family of the real numbers

Negative integers, rationals and real numbers

If a train travels 200 miles in 2.5 hours what is the rate of speed

80 miles per hour. All you have to do is divide 200 by 2.5.

Thirty-two decreased by twice a number is less than eighteen

It's seven

Find three consecutive even integers that have the sum of 42.

They are 12, 14 and 16.

Calculate the distance a car would travel at 80 mph for 2.5 hours

The answer is 200

What is a quorum of one third of the members when there are only 4 people

2

Leonardo flies from Kansas City to St. Louis in 30 minutes. The air distance is 175 miles. What is the speed of the plane

It would be 350 mph

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