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3 years ago

7) BRAINLIEST + 12+ POINTS!! :)

Mathematics

2 answers:

Archy [21]3 years ago

5 0

Answer:

C) 34%

Step-by-step explanation:

[(40 × 25%) + (60 × 40%)] ÷ (40 + 60)

34/100 × 100

34%

Varvara68 [4.7K]3 years ago

4 0

Answer:

34%

Step-by-step explanation:

To find the concentration of the new solution, take the percent time the amount of each of the solutions

40 ml* 25% + 60 ml * 40% = 100 ml* percent

40 * .25 + 60 *.40 = 100 * P

10 + 24 = 100 P

34 = 100 P

Divide each side by 100

34/100 = P

.34 = P

Changing to

34%

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