Achemist needs 70 milliliter of 29% solution but has only 19% and 33% solutions available. find how many milliliter of each that should be mixed to get the desired solution

Step-by-step explanation:

Let x represent the volume in mL of 33% solution needed. Then 70-x is the volume of 19% solution required. The total amount of solute is ...

  0.33x + 0.19(70 -x) = 0.29(70)

  0.14x = 70(0.29 -0.19)

  x = 70(0.10/0.14) = 50

50 mL of 33% solution should be mixed with 20 mL of 19% solution to get the desired mix.

78 yards

Step-by-step explanation:

The perimeter of a rectangle is given by

P = 2(l+w)

346 = 2(95+w)

Divide each side by 2

346/2 = 2/2(95+w)

173 = 95+w

Subtract 95 from each side

173-95 = 95+w-95

78 = w