Help 8th grade stufz will give a medal and fan

You and your friend each purchased identical subscriptions to an online video rental site. When you joined you each paid the one-time membership processing fee. You also paid a flat rate for each movie that you downloaded. By the end of the first month, you had downloaded 8 movies and paid $16.50, while your friend had download only 6 movies and paid $14.00.

Write and solve a system of linear equations to represent this problem. Use f for flat and r for rental rate?

Please help me now :3

Question

Help 8th grade stufz will give a medal and fan

You and your friend each purchased identical subscriptions to an online video rental site. When you joined you each paid the one-time membership processing fee. You also paid a flat rate for each movie that you downloaded. By the end of the first month, you had downloaded 8 movies and paid $16.50, while your friend had download only 6 movies and paid $14.00.

Write and solve a system of linear equations to represent this problem. Use f for flat and r for rental rate?

Please help me now :3

adamaero · Answer

Well put down what you think the two equations might be and we'll go from there...

anonymous · Answer

ok umm 
8f+r=16.50
6f+r=14.00

anonymous · Answer

@adamaero where r u

adamaero · Answer

Yep, know what to do from there?

anonymous · Answer

i think you change one of the variable sorry my teacher did this lesson today and gave us homework on it -_-

anonymous · Answer

and i dont fully understand

adamaero · Answer

Yes, you SOLVE for one of the variables...
write how you think it goes.

anonymous · Answer

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im not sure