9 divided by 72 = 0.125
0.125 is the weight of one book
0.125 times 80 = 10kg.
So 80 books weight 10kg.
72 divided by 9 = 8 books make up 1 kg.
8 times 6 =48
I think it's the bar graph.
Hope this helps !
Photon
Answer:
D
Step-by-step explanation:
a substance made by mixing other substances together.
False because if it’s a positive number then the opposite is gonna be a negative