Answer:
sum of interior angle of heptagon is 900°.
140°+148°+136°+150°+142°+90°+x=900°
806+x=900°
x=900°-806°
x=94°
Well... if 450 is 90% of the crates then 500 is 100%. 450 crates is 0.90% of 500 crates.
Answer:
The answer is "
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Step-by-step explanation:

That's why the answer is 