Pak zaeni mempunyai persediaan sarung sebanyak 18 lusin dan 4 kodi pak zaeni menjual sebanyak 200 potong sarung dalam waktu 3 ha
1 answer:
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Step-by-step explanation:
I've posted solutions in the picture. Rather the ways to solve them. Check and find answers on your own.
Also, I've not solved the problem by differential calculus. You can, obviously, if you're interested. Use it for ease and for tougher equations.
