Answer:
72 × 3 = 216m
216 m is the combined length
Answer:
A is the answer Have a great day
Step-by-step explanation:
The base is 5 because when you divide 31.5 by 6.3 it's 5
12+4+9+13+7+11+5+2+_+_ /10= 8
x10 both sides
12+4+9+13+7+11+5+2+_+_=80
63+_+_=80
-63 both sides
_+_= 17
any two numbers that add up to 17 can go in the planks
7,10