The teacher has 10 boxes with 12 markers in each box and 5 more markers on the whiteboard ledge he uses 5 markers each week. so his supply would last (10x12+5divided by 5 weeks.

Since the equation is already given, we just solve.

10 x 12 + 5 = 125/5 = 25

Now you can choose to say 25 weeks if you wish, but if your counting months as well, then the answer is 5.7 months

Step-by-step explanation:

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

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