Please help me with this math with steps
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Mathematics, 21.06.2019 22:00, victordguerrero2535
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
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Mathematics, 22.06.2019 00:00, martamsballet
Multiply and simplify. 2x^2 y^3 z^2 ยท 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !
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