12 because if the 6ft person shadow is 10 . 6+?=10 and do the math 4 so now 16-4=12 there u go
Answer:
Step-by-step explanation:
Since 5, 4, and 2 share a factor of 2, we have to do 5*4*2/2 = 20
They will have to buy all three items again in 20 years
Answer:
Solved in the diagram
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