Re: [obm-l] word problems

[Faelccmm@xxxxxxx]

E os dois restantes, como resolver ?



Em uma mensagem de 16/3/2004 04:34:07 Hora padrão leste da Am. Sul, Faelccmm@aol.com escreveu:


> 2) Suppose you have a lemonade stand, and when you charge $1 per cup of lemonade you sell 60 cups. But when you raise you price to $2 you only sell 30 cups. Write an equation for the number of cups you sell as a function of the price you charge.Denote *C*; for number of cups, and *P*; for the price you charge. Assume the function in linear. 
>
>
> 3) Given below are five statements 1, 2, 3, 4 & 5. There are 4 alternative sets of combinations of 3 statements each, out of which only 1 combination is logically compatible and correct. Find the correct combination. 
>
> 1.If ‘x’ increases, ‘y’ increases 
> 2.If ‘x’ decreases, ‘z’ decreases 
> 3.If ‘y’ decreases, ‘z’ decreases 
> 4.‘x’ and ‘y’ cannot decrease together 
> 5.If ‘x’ decreases, ‘y’ decreases 
>
> a)      1, 5, 4 b) 2, 3, 4 c)1, 2, 4 d) 2, 4, 5