Erika is making cookies the recipe she has makes 20 cookies but she wants to make 60 cookies if she needs 2 cups of flour for 20 cookies how many cups of flour will she need for 60 cookies?

I’m still confused on how to work the percentages

Chosen according to the volume of oil it can haul, as shown in at a railway yard, locomotives are used to haul containers carrying the table. locomotive capacity a450 0 -750 cubic feet cg35 750-1,500 cubic feet br73 1,500-2,500 cubic feet yh61 2,500-3,500 cubic feet & the four cylindrical containers listed in the table need to be hauled. cylinder length (ft.) diameter (ft.) fill level a 40 , 12 half b 24 8 full c 16 16 full 6 12 full d match each container to the locomotive needed to haulit a450 cylinder a yh61 cylinder d

What is the distance between (3,k+1) and (2k,k-1)