Question 706890: A cross section of a hollow circular pipe shows that its inner diameter is 2 1/10 inches and that the pipe is 3/5 inch thick. what is it's outside diameter (OD)?
A costume designer bought 2 1/2 yards of black silk, 3yards 6 inches of white silk,and 6 1/3 yards of blue silk. How many yards of silk did she buy?
in a track meet four athletes scored 1 1/2, 8 3/4 , 5 1/8, and 1 1/4 points for their team. what is the total number of points they scored?
A piece of metal 3 7/8 inches long is to be cut from a longer piece of 5 1/16 inches. what will be the length of the remaining piece?
add 7 5/8 and 5 5/8. then from their sum subtract 11 5/16.
15* 4 2/3 Evaluate.
Answer by KMST(5328)   (Show Source):
You can put this solution on YOUR website! If the thickness of the pipe wall is  inch= inch,
we have to add to the inner diameter twice that thickness to get the outside diameter, which is
 inch= inch= inch
For the silk problem, we need to get all those numbers as fractions of a yard,
rather than mixed numbers with mixed units.
6 inches = (1/2) foot and 1 foot = 1/3 yard, so
6 inches = (1/2) of (1/3) of a yard or  of a yard
3yards 6 inches = 3 yards + 1/6 yard =  
Let's add all those yards of fabric:
Now we need a common denominator,
and  is the least common denominator we could use
It was a total of 12 yards.
Now we need a common denominator,
and  is the least common denominator we could use
I get  by dividing 133 by 8. The quotient is 16 whole units and the remainder,  , divided by is  .
A piece of metal 3 7/8 inches long is to be cut from a longer piece of 5 1/16 inches. what will be the length of the remaining piece?
add 7 5/8 and 5 5/8.
then from their sum subtract 11 5/16.
Now we need a common denominator,
and  is the least common denominator we could use
15* 4 2/3 Evaluate.
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