Step-by-step explanation:
First, you have to add 8 + 7 + 5 all together, which would give you 20.
Then, you have the ratio of 8:20
But you have to simplify 8:20, by 2, which would give you 4:10
Also, simplifying by 4 is also possible, this would also give you 2:5
Overall, 8:20 is your answer
So it would be (B) & (E)
Answer:
E
Total: 20 blocks
Green: 8
8/20
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Have a nice day.
15
the triangles are similar so will be the same proprotion,
I have attached a picture showing how I solved this. the second traingle is 3 times as large (15 by 12) compared to the first triangle which is 4 by 5.