these question i dun understand.. and i dunno how to do.. can some 1 help plz.. question.. 2,3,4,5

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- June 8th 2006, 08:24 AMxiaozHELP~ i dun understand!!!
these question i dun understand.. and i dunno how to do.. can some 1 help plz.. question.. 2,3,4,5

- June 8th 2006, 10:48 AMCaptainBlackQuote:

Originally Posted by**xiaoz**

multiply top and bottom by :

2b The cost of dinner is the price of the food plus a 4% service charge.

A diner paid $93.60, what was the price of the food?

Let be the price of the food, then the diner pays:

,

so:

dollars.

RonL - June 8th 2006, 11:43 AMThePerfectHacker
3a.

The next number of the sequence is found by adding the previous ones. This is called fibonacci sequence. - June 8th 2006, 11:49 AMThePerfectHacker
6a,

Add 13,

Divide by six,

6b,

You have,

For example if,

But express it as a fraction,

6c,

You have,

then cube both sides,

Mutiply by 2,

subtract by four,