Dieckmann594 Dieckmann594
  • 20-03-2014
  • Mathematics
Answered

Fifty pounds of a cement-and-sand mixture is 40% sand.
How many pounds of sand must be added for the resulting mixture to be 60% sand?

Answer :

MathG33k
MathG33k MathG33k
  • 20-03-2014
To get the answer you would have to multiply fifty by .4 to get 20. now you know that 20 is 2/5 of the bad and 1/5 must be 10. So you would multiply 10 by 3 to get to 3/5 so you can have 60%. The final answer is 30
Answer Link

Other Questions

Hi could you help me for the mission 3 please Thank you and good day to all
What is 8006 decided by 8
define the term of cliche write one sentence that contains a cliche
the sum of 3 consecutive integers is 90 find the largest integer if x is the smallest integer
Rectangle ABCD has diagonals Segment AC and Segment BD If the diagonal lengths are AC 36 cm and BD 3x 3 cm find the value of x A 5 cm B 11 cm C 13 cm D 23 cm
How is Japan trying to compensate for the rise in the average age of its people
A bag of fruit contains 4 apples 1 plum 2 apricots and 3 oranges Pieces of fruit are drawn twice with replacement What is Papple then apricot A45 B225 C325 D35
Glenda began the day with a golf score of 6 and ended with a score of 10 Which statement represents her golf score for that day
What type of activity should be done alongside flexibility exercise A Mental B Strengthbuilding C Lowintensity D Baseline
How were the pacific ranges formed