A contractor needs to buy nails to build a house. The nails come in small boxes and large boxes. Each small box has 150 nails and each large box has 450 nails. The contractor bought twice as many large boxes as small boxes, which altogether the number of small boxes purchased and the number of large boxes purchased. Define the variables that you use to write the system.

Answer 1

L = 2S
total nails = 150S + 450L
now finish it off

Answer 2

Small boxes= 2
Large boxes= 6