9514 1404 393
Answer:
3 3/4
Step-by-step explanation:
Mandy needs 6 times 5/8 yards, or ...
6(5/8) = 30/8 = 3 6/8/ = 3 3/4 . . . yards
N the xy-plane above<span>, </span>O is the center<span> of the cirlce. In the </span>xy-plane above<span>, </span>O is the center<span> of the cirlce, and the </span>measure<span> of angle AOB is pie/a radians</span>
If Ann can build the model in 3 hours, then in 1 hour she gets 1/3 of it done. Likewise, if Sam can build the model in 6 hours, then in 1 hour he gets 1/6 of it done. We are looking to find how long it takes when they combine their efforts, so we will add the two together and set it equal to 1/x, x being the number of hours it takes for both of them to get the whole job done. The equation then looks like this:
. You will have to find the common denominator to add those fractions, and once you do, cross multiply to solve for x.
The correct answer is B. -12
Ok so 8:12 can be 8 to 12, or 8\12
do that help?