Answer:
7776
Step-by-step explanation:
If that was the end and the question was "How many boxes did she sell?" then the answer is 6 boxes.
Answer:
3 cm
Step-by-step explanation:
Set up an equation that solves for the surface area, "112
" :
10(2)+10(2)+2x+2x+10x+10x = 112
20+20+4x+20x = 112
24x+40=112
24x=72
x=3
So, 3 cm.
80 x 5 = 400
32 x 5 = 160
so you have about 160 <span>defective bulbs</span>