Step-by-step explanation:

Answer:
The equation is
Andrea will donate $200 for business scholarships and $600 for liberal arts scholarships.
Step-by-step explanation:
Given
Represent Liberal Arts with L and Business with B
From the question, we have that:

and

Required
Determine how much she donates for each
The total L + B is 800
i.e.

Substitute 3 * B for L



Solve for B


Recall that :



2/6 because if you subtract 3/4 and 1/6 you will get 2/6
Mr. yu uses 12 onces of fertilizer per square