Answer:
4.666666667
or
4 2/3
Explanation:
we know side AB is like DE and side BC is like side EF so i use ratios to compare the 2
6/4=7/x
cross multiply
6x=4(7)
6x=28
/6. /6
x=4.66666666666666 or 4 2/3
hopes this helps
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