 
 <prompt> Rebecca ta yi alamun kwalliya ta hanyar amfani da kujerun, magnets, da gemstones. Don kowane alamun kwalliya, ta amfani da biyu magnets, goma da su kujerun, da uku mafi yawa gemstones da kujerun. Idan Rebecca ke so ta yi 4 sets na alamun kwalliya, ta kamata ta sami gemstones manya? <response>: Biyan kalmomin kafa guda uku ne 2*4=8 kalmomin kafa.
Sannan domin kalmomin kafa daya, ta yi amfani da mazan guda biyu, don haka domin kalmomin kafa guda uku ta yi amfani da 2*8=16 mazan.
Saboda ta yi amfani da goma lafiya da mazan, to a guda uku kalmomin kafa ta yi amfani da 16/2=8 mazan.
Saboda ta yi amfani da uku daidai da mazan, to a guda uku kalmomin kafa ta yi amfani da 8*3=24 mazan.

Javobi na farko: 24. 