You need to find the area of the hexagon, and the area of the triangle.
The formula for the area of a triangle is

I hope this helps you a little.
In American: I have to buy pencils and pens. If I buy seven pencils and three pens, I'll spend $ 16.50. If I buy five pencils and four pens, I'll spend $ 15.50. What is the price of each pencil and pen?
Idk the answer
3 multiplied by 20 is 60
Multiply this by 10 and you get 600
1 Multiplied by 30 is 30
Find the total of the two answers (Which is 630) this is your answers
<span>Yo se la respuesta. será c
Good luck and have a nice day!</span>