Respuesta :
Answer:20089 and 27399 bxes all together
Step-by-step explanation:
Answer: 5 small boxes and 10 large boxes were shipped.
Step-by-step explanation:
Let x represent the number of small boxes that were shipped.
Let y represent the number of large boxes that were shipped.
Volume of each small box is 7 cubic feet and the volume of each large box is 13 cubic feet. The total volume of all boxes shipped was 165 cubic feet. This means that
7x + 13y = 165 - - - - - - - - - - - - 1
There were twice as many large boxes shipped as small boxes shipped. This means that
y = 2x
Substituting y = 2x into equation 1, it becomes
7x + 13 × 2x = 165
7x + 26x = 165
33x = 165
x = 165/33
x = 5
y = 2x = 2 × 5
y = 10
