Answer:
Marina's design uses more cardboard.
in Kristen's design, it uses:
3*4/2*2+10*5+3*10+4*10=132 sq inches.
in Marina's design, it uses:
6*3*2+3*7*2+7*6*2=162 sq inches.
132<162
Therefore Marina's design uses more cardboard.
The difference between 2 designs are:
162-132
=30 sq inches
Answer:
the triangle would be located at 3783<%*
The three consecutive integers can be represented by x, x+1, and x+2
x+(x+1)+(x+2)= 42
3x+3=42
3x=39
x=13
Final answer: 13, 14, 15
