Solving SAT Khan Academy Practice Test 3 (Calculator) Math Section

Watch me solve the SAT Math (Calculator) section from Khan Academy SAT Practice Test 3. Tune in to gain clarity on these tough problems!

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Music Videos for math concepts:

[NganNguyen-ysod]

At 29:42 (question 26), all I did was taking 2/k and k/32, and then I cross multiplied them which also equals to 8. P/s: thank you so much, ur videos are really helpful❤️

[MasterWoozAngelz]

hello! on question 37 at 51:23, how did we know that the estimated # of shoppers at any time for the original store is 45?? and once we did, why did we put 45-18 OVER 45, thank you!!

[shifa]

Can you kindly explain question 35 in more detail?

[roonajoon]

Like wow man . You are seriously amazing ... that 22 question kicked my brain around .. I really am your fan now .. Thank you

[AdamKentGames]

On question 24 I used a formula to solve, what method did you use? It’s around 27:50

[gamingwithnate]

can you please explain on question 22 why you did 1.5(855-x) because I thought 50% is 0.5

[catalinafuentes]

this is amazingly helpful, if i get the sat score im working for, it will be thanks to you!! :)

[gamingwithnate]

scalar this was one of the hardest calculator ones right? my brain as exhausted after taking this calc section

[andrewna]

This is soo helpful!! thank you so much

[ceceu.]

For number 30 how did you get c=2x-6.5 in terms of c ?

[randy]

26:36 me after trying to figure it out for a long ass time and then giving up.

[randshahrour]

Thank you, any tips on how to finish the section on time and become faster?

[aneri]

For 22 I did use of 0.5x=(y+z) and the second equation was x+y+z=855, and did substitution but got an answer of 570... And I have no clue what you did for 26. Is there any other way to solve that??

[zaidsahawneh]

Im really confused on where the -2 came from at question 26

[sanjanachowdhury]

On number 22, how did you get 1.5? It says 50% so why would you add 1 to .5? I noticed that we r supposed to add 1 to almost every time there is a percentage. Why is that? I am really confused.

[nataliaa]

For problem 26 why did you use the equation y-k=m(x-2) and then switched over to using the slope?

[anaisvargas]

I'm confused in the wording of question #29.
"5 times as many right-handed female students as there are left-handed female students"
when we see questions like this we should understand that x times as many y as many z means:
xy=z?

[arsenalo]

For 34 when you divided the fractions over each other like that why didnt you multiply them and do the reciprocal of the second fraction

[anthonyromano]

On question 26, why does that value have to go to 0?

[AdamKentGames]

Are you wearing braces on both of your hands?