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3 years ago

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Carl is boarding a plane. He has 2 checked bags of equal weight and a backpack that weighs 4 kg. The total weight of Carl's bagg

age is 35 kg. Write an equation to determine the weight, (w), of each of Carl's checked bags.

1 answer:

slava [35]3 years ago

7 0

(35 - 4) / 2 = w
35 is total weight
4 is backpack
2 is the number of bags

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In this case, we'll have to carry out several steps to find the solution.

Step 01:

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We notice that the difference between the distance travelled on the (n+1)-th day and the distance travelled on the n-th day doubles every day. In fact:

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Which can be rewritten using the general formula:

$d_{n+1}-d_n=2(d_n-d_{n-1})$

This means that

$d_{n+1}=d_n+2(d_n-d_{n-1})$

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So, the distance travelled on the 7th day is 19.9 miles.

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