Emily can write 1/6 pages for Ms.McCrimmon in 1/12 minutes. What was her unit rate to write full pages?
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so a whole is same/same, in this context is 4/4 = 1, or four fourths.
now, we know 1/4 failed, that means 4/4 - 1/4 = 3/4 didn't fail, so 3/4 passed.
from that remaining 3/4, how many got an A? well 1/3, how much is 1/3 of 3/4? well is just their product, .
so 1/4 of the remaining 3/4 got an A, that means 3/4 of the remaining 3/4 did NOT get an A.
how much is 3/4 of 3/4? well, is just their product.
