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Need help on 2, b, c, and 3 please.

Need help on 2, b, c, and 3 please.-example-1
User Onlyjob
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A/Wall if you have 20 and 30 that box is missing # so you will need to times and you will get something like this 20×30=60 and that's the missing #

B/Its going to be about 768 so you need to times and if you don't get 768


User Rehan Anis
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