solve it pleaseThis question is to compensate for your grade on HW$3($Soil Classification$).$ Moreover,

question points will be added to your Exam $1$ grade. $[10$ pts$]$

Abdulaziz Alqadhi wants well$-$graded sand as a backfill for a mechanically stabilized earth wall.

Unfortunately, only two poorly graded sands $($coarse and fine$)$ are available on the site.

However, he can mix the two sands to make a well$-$graded sand. Find the design mix to make

sand with SW classification. Your solution should include the classification of both SP sands, the

proportion of each SP sand to make SW sand, a plot showing both SP sands and the mixture $($SW

sand$),$ and a detailed classification for the mixture.

Sieve analysis for both soils are listed below: