what evidence contradicts the theory that moving two ton stones was physically impossible for the egyptians and must have been done using alien technology

Archaeological evidence shows that Egyptians worked together to build the pyramids. Remains of quarries and ancient tools suggest that large slabs were created from rock beds. The slabs were placed on sleds and pulled to the building site. To make this process easier, men most likely poured oil on the roadway. This process is depicted in tomb paintings that date back to 1900 BCE.

Explanation:

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Since there are 7 backpacks that cost 8$ each , multiply 7 times 8 and you will get 56. Now since the pencils and pens cost an extra 5$ , multiply 7 by 5 to get 35.Now add 56+35=91.

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