drinsela10 drinsela10

25-03-2021
Mathematics

contestada

What quantity of a 50% acid solution must be mixed with a 20% solution to produce 600 mL of a 45% solution?

Respuesta :

chetankachana chetankachana

25-03-2021

Answer:

400 mL

Step-by-step explanation:

0.50x + 0.20(600-x) = 0.40*600

50x + 20*600 - 20x = 40*600

30x = 20*600

x = 20*20

x = 400 mL

Answer Link

Otras preguntas

Which theory posited that when given a choice between two or more options, humans will choose the one that is most likely to help them achieve their particular

can anybody help me on this

A man is scratched by his cat. a phagocyte near the scratch site recognizes and engulfs a bacterium. shortly thereafter, more phagocytes arrive in the tissue su

Casey has $120 in a saving account that earns 10% simple interest per year. The interest is not compounded. How much money will she have in 1 year? plz show wor

I need help badly please help

A shape is made of 12 right triangles of equal size each right triangle has a base of 4cm and a height of 5 cm what is the total area, in a square centimeter,

what is a consequence of decreased blood flow to the brain?

Which detail of imagery appeals to readers' sense of touch? The birds "hopped and played." The twigs "catch the breezy air." The birds sing "a thousand blended

which sentence uses the word enthrall correctly? We may enthrall before class, but we're not sure yet. Abbie won't enthrall her car keys again. Sheldon and Max

How many times does your heart beat each day