Ithought of a number, added 3 2/7 to it, then i multiplied the result by 1 1/2 , and got
6 5/7

Step-by-step explanation:

First let's convert the mixed numbers into improper fractions.

Let the number be n, so we can write an equation from the word problem as:

Now, we do algebra and solve for n:

hence the number is 25/21

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

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step-by-step explanation: