aishahshaikh aishahshaikh
  • 25-04-2020
  • Mathematics
contestada

How much sand do you need to add to 4 m³ of soil with 50% sand in order to make soil with 80% sand?

Respuesta :

12345678910niko 12345678910niko
  • 25-04-2020

Answer:

6m^3

Step-by-step explanation:

Again with the buckets.

50+100=80

04+  x  =4+x

200+100x=320+80x

20x=120

x=6

Answer Link

Otras preguntas

Nationally, between 1973 and 2011, what percentage of initial convictions or sentences in capital cases were overturned on appeal
Many sociologists in the 1960s noticed that economic obstacles alone were not sufficient to explain disparities in the educational attainment of children from d
Jillian, a flight attendant, is fluent in spanish. ever since she has learnt french, however, jillian finds it difficult to remember spanish words and phrases.
Why does Barium (Ba) have a larger atomic radius than Magnesium (Mg)?
Why might algebra tiles not be a good tool to use to factor x2 + 18x + 80? Explain
Match these items. 1. number of delegates who signed the constitution the legislative branch 2. can create, alter, or repeal laws. statutory construction 3
Find the point p on the line y=3x that is closest to the point (30,0). what is the least distance between p and (30,0)​?
When parking uphill on a street with no curb, how should your front wheels be positioned?
I would like help please.
What do you think Miss Maudie means when she says that Jem "gets more like Jack Finch everyday"?