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VladimirAG [237]

2 years ago

6

You and a friend went to Glory Days for dinner. You ordered a cheeseburger for $8.50 and a soda for $1.99. Your friend convinced

you to share and split the cost of onion rings that cost $7.00. How much did you spend on your dinner?

1 answer:

SpyIntel [72]2 years ago

6 0

Answer:

$13.99

Step-by-step explanation:

that's the burger and pop and half the onion rings cost combined

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Step-by-step explanation:

<u>1. What is the difference?</u>

The sequence goes down by 5. This means that the formula will have -5n in it.

<u>2. Work out the term before the first term.</u>

The first term is 3, and we know that the sequence goes up by 5. So, to get the term before 3 we would add 5.

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<u>3. Put that term at the end of the equation. </u>

We have -5n already and we just worked out the term before the first one which is positive 8 - so put that at the end of the equation.

-5n + 8 This is our answer!

Just to prove it works:

<em>Substitute: n = term</em>

Lets see if we can get the 3rd term which is -7. (n = 3)

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See, it works!

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