princessvaeh2625

22.07.2019 • 

Mathematics

Marked a certain solution of salt water is 10% salt and weighs 50 pounds. more salt must be added to produce a solution that is 25% salt. if x represents the pounds of salt to be added, which of the following expressions represents the number of pounds of salt in the 25% solution? a)0.25(x+50) b) 0.25x c) 1.25(x+50)

Ответ:

melanie7152

07.09.2020

Mathematics

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The solution is:
  .1*50+x=.25(50+x) 5+x= 12.5+ .25x
x-.25x=12.5-5 .75x=7.5 x=7.5 or .75

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Ответ:

margaretjloah12

23.06.2022

Mathematics

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the x is just there to fill in the blank it doesnt do anything if there is anymore of the question please show it because you would probably need to answer that to get the number then add it with the 6

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