Answer:
for seven cabins it should be 14.7 trees, im not sure about 3 cabins, sorry :(
3) 6.3
7) 14.7
Explanation:
Use ratios to solve the table
10.5/5 = x/3
cross multiply
31.5 = 5x
x = 6.3
10.5/5 = x/7
73.5 = 5x
x = 14.7
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