KharizmaW441095 KharizmaW441095

03-11-2022
Mathematics

contestada

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 solutionPlease use the picture for the format thank you class=

Respuesta :

AzarieL25811 AzarieL25811

03-11-2022

Answer:

x = -0.6

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

Answer Link

Otras preguntas

Find the difference of the polynomials given below and classify it in terms of degree and number of terms. 3n^2(n^2+4n-5)-(2n^2-n^4+3)

public schools are free schools supported by_________?

Perform the calculation then round to the appropriate number of significant digits. 128.5 x 3.24

Find a two-digit number such that three times the tens digit is 2 less than twice the units digit, and twice the number is 20 greater than the number obtained

For the data shown in the scatter plot, which is the best estimate of r?

9x-12=5x-4 pls help

how many dogs in the world

100 POINTS AND BRAINLIEST FOR CORRECT ANSWER (URGENT!!!) Kara promised to do 5/9 of the job. So far she has done only 3/5 of what she promised to do. Kara has f

Find the values of x and y in the diagram below. (4x-7) 86° (7y-1)⁰ (9x + 4)

For the data shown in the scatter plot, which is the best estimate of r?