3 articles trouvés pour ce sujet.








Setting up an equation 
20040430 

Matt pose la question : I am trying to determine the dimensions of a 22 megapixel digital camera chip that has a 3:2 ratio. We know then, that: 3x = 2y (or 1.5x = y)
and that
xy = 22
Beyond this, I don't know how to hook those 2 seemingly unrelated facts together. Penny Nom lui répond. 





Setting up a word problem 
20030630 

Christie pose la question : A rectangular corral is forty feet longer than it is wide. If the perimeter is 220 feet, determine the length and width of the corral. Penny Nom lui répond. 





Sesame Street on Stage 
20030625 

Christie pose la question : Sesame Street on Stage has different ticket prices for adults and for children under 6. Beth and her two children, ages 3 and 4, paid $15 to gain entrance, while Jamie and John Jacobs and their 2year old daughter got in for $19.50. What is the ticket price for adults? Penny Nom lui répond. 


