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18yards= what inches

-2/49-6/7x

2 feet 7 inches in lowest term

Since 6 inches is the smaller of the two, assign the number 1 to that part of the ratio. Also, 2 feet is four times bigger than 6 inches, so the ratio is 4 to 1 or 4/1.

Method for finding the lowest terms:

If it was 3.5 times bigger, you would have 3.5/1, which is a mixed fraction and decimal. This is not allowed. In cases like these, simply multiply the ratio by the denominator of the decimal in fraction form.

For example, 3.5 in fraction form is 7/2, which has a denominator of 2. So if you multiply 3.5/1 by 2, you get the fraction 7/2 or 7 to 2 in its lowest terms.

2 feet = 24 inches
24 inches : 6 inches = 24 : 6 = 4 : 1

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How many positive 4-digit integers can be made if 2 different digits are selected from {1,2,3,4} and 2 different digits are selected from {5,6,7,8,9}