9 cows can eat all the grass in a field in 21 days.How many days would it take for 3 cows
2 answers:
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Answer:
B)
Step-by-step explanation:
First simplify the radical on the right.
is equal to
, because 25 * 3 is 75, so we can separate the square roots into the product of these two square roots.
Then we know is just equal to 25, which means the simplified version of
is
.
Then we can use this new representation to finish solving.
, so the answer would be B
