Final answer:
To estimate 3 7/8 divided by 5/9 using compatible numbers, the estimate is 4.
Step-by-step explanation:
To estimate 3 7/8 divided by 5/9 using compatible numbers, we can round both numbers to the nearest whole number. So, 3 7/8 becomes 4 and 5/9 becomes 1. Now we can divide 4 by 1 to get the estimate, which is 4.
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