Five sisters - alexandra, emily, lisa, martha, and laura decide to purchase a big screen tv as a birthday gift for their mother. - martha agrees to pay 20% of the cost -emily gives $75 -alexandra pays 25% of the cost -laura gives $75 - lisa contributes one-half of the cost. what is the total cost of the big screen tv? what amount will each sister pay?

i found two solutions,   n = 2 • ± √3 = ± 3.4641

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5050 i think

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for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

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i don't know

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