Answer: 6-7 bird houses?
Step-by-step explanation: Well, if in 3 hours she can make 2 bird houses, then in six she can make 4. If in 9 hours, she can make 6, so my guess is that she makes 6-7 bird houses in 10 hours?
Answer:
15 Hours
Explanation:
It takes 1.5 hours to build 1 birdhouse, so multiply 1.5×10 and you get 15 hours.
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