Hello!,
First you would divide 72 by 12 which would be....6 okay 6 adults.
Second you would divide 72 by 9 witch is...... 8 kids
6 adults 8 kids
= -36 4/9 + 10 2/9 - 18 2/9
= -26 2/9 - 18 2/9
= -44 4/9
Answer is A. -44 4/9
Answer:
Total surface area=228cm²
Step-by-step explanation:
Area of bottom(parallelogram)=12×12=144cm²
area of 1 triangle=1/2×8×12=48cm²
area of 3triangles=48×3=144cm²
Total surface area=144+144=228cm²
