I think the answer is A
If Susie leaves for school at 11:30am and gets home at 4:30pm how long was she at school?
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Let the amount of Kentucky Bluegrass be k.
Let the amount of Chewing Fescue be c.
k+c=372
c=372 - k
12k + 16(372 - k) = 15 * 372 = 5580
12k + 5952 - 16k = 5580
-4k = -372
k = 93 pounds
c = 372 - 93 = 279 pounds
Let the amount of Chewing Fescue be c.
k+c=372
c=372 - k
12k + 16(372 - k) = 15 * 372 = 5580
12k + 5952 - 16k = 5580
-4k = -372
k = 93 pounds
c = 372 - 93 = 279 pounds