Answer:
Explanation:
1) Amir’s mistakes:
On the second layer, he hadn’t substrated k from 3k => 3+5+9p is wrong;
On the last layer, he added 8 with 9p which is incorrect,he can’t get 17p by adding them.
2)3k+5-k+9p
3k-k+5+9p
2k+5+9p
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