chadbsingotiz8j chadbsingotiz8j
  • 23-07-2017
  • Mathematics
contestada

A sporting goods store sells 3 fishing reels and 4 fishing rods for $523. Later, they sell 9 fishing reels and 3 fishing rods for $507. Find the price of each item.

Respuesta :

irspow
irspow irspow
  • 23-07-2017
-3(3f+4s=523)+(9f+3s=507)

-9f-12s+9f+3s=-1569+507

-9s=-1062

s=118,  making 3f+4s=523 become:

3f+472=523

3f=51

f=17

So the reels are $17 each and the rods are $118 each.
Answer Link

Otras preguntas

simplify 7b-2b+3b+4b
Can you get a PhD right after your masters?I am still an undergrad, and I plan to get a first class honours. I know that I can take my masters right after I get
y=-2x+11 what is the slope and y intercept?
A line has the equation y=x. It is translated up by 3 units. What is the equation of the new line?
How to write seven hundred five thousand, three in standard form
Although Plato and Aristotle disagreed with democritus what did his theory suggest was true about all matter?
1. Do you think the style of the book suggests anything about its value? Explain.
Which number is exactly halfway between 26 and 44?
An element's reactivity and other chemical properties are determined by the number of
What does cuál es la fecha de hoy mean and how would I answer it