A stack of 9 coins has a total mass of 42.19kg. the stack is made up of $1 and $0.20. how many of each type is there. I need this asap do ur workings and i'll mark u as brainliest. need this by today.
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Answer:.......................................................................
A STACK .......................................................
Step-by-step explanation:.....................................SDZHSFDHJDGJFH
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