132k views
3 votes
How much of an 8% solution should we use to make 100g of 3% solution?Please use the picture for the format :) thank you!!

How much of an 8% solution should we use to make 100g of 3% solution?Please use the-example-1
User Temeka
by
3.5k points

2 Answers

6 votes

37.5 is the answer for your question

User Rajan Maharjan
by
3.4k points
5 votes
Answer:

x = -0.6

Step-by-step explanation:

The equation that represents this scenario is:

0.7x + 0.1*3 = 0.4(x + 3)

Solving for x, we have:

0.7x + 0.3 = 0.4x + 0.12

0.7x - 0.4x = 0.12 - 0.3

0.3x = -0.18

x = -0.18/0.3

= -0.6

User Joe
by
3.0k points