here is a list of ingredients for making apple and raspberry crumble for 6 people
120 gram plain flour 
230 gram apples
200 gram rasberries 
160 gram soft brown sugar 
90 gram butter
Sam wants to make Apple and Raspberry crumble for 15 people.  
She has enough plain flour , soft brown sugar and butter.
work out the amount of Apple's and rasberries Sam needs. 
please help!