Later 7 students joined group 2 (41 students)and one student left to join group 1. (44 students) Now 20 students play trombone a
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Answer:
Thus last month Calvin made $414.90 from all the paintings sold at the art shows.
Step-by-step explanation:
Let us first analyse the given information in the question:
→ Small paints (lets call them ) sell for $25.80 Per Painting, thus:
gives as the profit for
number paints sold.
→ Large paints (lets call them ) sell for $56.25 Per Painting, thus:
gives as the profit for
number paints sold.
We also know last month he sold six large paintings and three small paintings thus from our variables above we can say:
Eqn(1).
Thus the total profit of all paintings sold would be:
which by pluggin in Eqn(1) values gives
Thus last month Calvin made $414.90 from all the paintings sold at the art shows.