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Mathematics 11 Online
OpenStudy (anonymous):

Subtract 8 feet from 9 yards, 1 foot

OpenStudy (mathstudent55):

3 ft = 1 yd

OpenStudy (anonymous):

so times 9 by 3 and add one

OpenStudy (mathstudent55):

First, change the large length into feet. Then do the subtraction.

OpenStudy (anonymous):

then take away 9

OpenStudy (mathstudent55):

@Lucinda12345 ^take away 8

OpenStudy (anonymous):

oh sorry that's what I meant :(

OpenStudy (anonymous):

Huh? im confunsed

OpenStudy (anonymous):

Help M plz someone @undeadknight26

OpenStudy (mathstudent55):

9 yd 1 ft needs to be converted into feet. Since 1 yd = 3 ft, first, multiply 9 by 3. Then add 1. What is 9 * 3 + 1 = ?

OpenStudy (anonymous):

28

OpenStudy (mathstudent55):

Great. 9 yd, 1 ft = 28 ft

OpenStudy (mathstudent55):

Now we do the subtraction since every measure is in the same units, ft. What is 28 ft - 8 ft = ?

OpenStudy (anonymous):

20

OpenStudy (mathstudent55):

Good. The answer is 20 ft. 20 ft is correct, but I don't know if you have choices. Perhaps you need the answer to also be in yards and feet.

OpenStudy (mathstudent55):

If the answer needs to be in yards and feet, then to convert 20 ft to yards and feet, do this: Since there are 3 ft in a yd, first, divide 20 by 3; you get 6 with remainder 2. That means 20 ft is the same as 6 yd 2 ft

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