Happy to help with any math problem 7th grader looking to help others <3

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2x minus y equals 6, x plus y equals negative 3

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!