He coud walk 5 meters in one hour because i did 60-12-12-12-12 and then you have a extra 12 so he got 5 meters in one hour part b he can 1 more further because 1 meter because before it was 12 hope explained it right
Step-by-step explanation:
plase see it my step work solution
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Answer:
x = 2
x = -21
Step-by-step explanation: