Questions Answered

juanca:
Show an equation and a solution. How much pure antifreeze must be added to 12 L of a 40% solution to obtain a 60% solution. (Remember that p…
 updated one year ago
 5 replies
 3 Medals

juanca:
Show an equation and a solution for the problem. How much water must be added to 12 L (liters) of a 40% solution of alcohol to obtain a 30% …
 updated one year ago
 6 replies
 1 Medal

juanca:
Show an equation and a solution for the problem. Crane A can unload a ship in 10 hours and crane B can unload it in 14 hours. How long will …
 updated one year ago
 4 replies
 1 Medal

juanca:
Show an equation and a solution for the problem. Crane A can unload a ship in 10 hours and crane B can unload it in 14 hours. How long will …
 updated one year ago
 1 reply
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juanca:
Solve: 3r  12 = 0
 updated one year ago
 3 replies
 1 Medal

juanca:
Solve 2  3x = 7.
 updated one year ago
 4 replies
 1 Medal

juanca:
Using the rectangle in number 1, write an equation for finding the value of y and solve it.
 updated one year ago
 6 replies
 2 Medals

juanca:
A. 5(3x  2) = 15x  10
B. 100 = 100
C. 4"(5"6) = (4"5)"6
…
 updated one year ago
 1 reply
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juanca:
Simplify. (1/5)(5)(100 + 2 + 2)
 updated one year ago
 5 replies
 1 Medal

juanca:
=(1/5)(5) what property of multiplication is????????
 updated one year ago
 3 replies
 1 Medal

juanca:
Simplify, using your knowledge of properties: (1/4)(3 + 1)
 updated one year ago
 3 replies
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juanca:
=(1/5) [5 + 0] which property is ??
 updated one year ago
 2 replies
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