Alvina

This page lists questions and answers that were posted by visitors named Alvina.

Questions

The following questions were asked by visitors named Alvina.

A, B and C made 795 machines at the same time. To make one machine, A needs 6 minutes, B needs 5 minutes and C needs 4.5 minutes. So, how many machines did C make?
10 years ago

Answers

The following answers were posted by visitors named Alvina.