Assume one small centerpiece requires p minutes and large centerpiece requires q minutes to prepare.
Hence 3p +3q= 3hr 15 min or 195 minutes
And 4p+7q= 6hr 20min or 380 minutes
These two equations can be solved as follows
Assume one small centerpiece requires p minutes and large centerpiece requires q minutes to prepare.
Hence 3p +3q= 3hr 15 min or 195 minutes
And 4p+7q= 6hr 20min or 380 minutes
These two equations can be solved as follows