Alewuya needs to mix a 10% fungicide solution with a 60% fungicide solution to create 200 milliliters of a 55% solution. How many milliliters of EACH solution must Alewuya use?

Question

Please have a full explanation and answer.

Answer 1

x * 0.1 = amount of 10% solution

since 200 ml total, then (200 - x) * 0.6 = amount of 60% solution

200 * 0.55 = total combined solution so

0.1 x + (200 - x) * 0.5 = 200 * 0.55

solve for x to get amount of 10% solution

compute 200 - x to get amount of 60% solution

Answer 2

The problem proceeds in exactly the same way as your previous one.

T + S = 200 (T ml of 10% + S ml of 60% makes 200 ml of 55%)

.1T + .6S = .55*200

Multiply the 1sr equation by 10 and the 2nd equation by 100.

Subtract to eliminate T.