Centrale des maths - centraledesmaths.uregina.ca
Dilemmes & doutes
« D & D »
 Sujet: average age
nouvelle recherche

2 articles trouvés pour ce sujet.

 Page1/1
The average age of a group of 10 students 2014-09-11
sujan pose la question :
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group . What is the average age of the two new students who joined the group?
Robert Dawson and Penny Nom lui répond.
The average age of 300 cars 2011-11-22
Jason pose la question :
I have 300 used cars built from 1970 to 1980, I would like to know the average age by total volume. If I provide the qty built per year, can I determine the average age of the lot (300) by total volume?
 Total built Year built 50 56 30 10 30 25 64 9 12 14 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980

Thanks

Penny Nom lui répond.

 Page1/1

 Centrale des maths reçoit une aide financière de l’Université de Regina et de The Pacific Institute for the Mathematical Sciences.
 Qui sommes-nous :: carte du site :: our english site