If the average of 20, 30, 40, 50-x, 10+2x is 87. What is the value of x?
A. 265
B. 275
C. 285
D. 295

Question

If the average of 20, 30, 40, 50-x, 10+2x is 87. What is the value of x?
A. 265
B. 275
C. 285
D. 295

uri · Answer

This is in Iba's book :P Right? @ArbabShah

amistre64 · Answer

add em up, divide by now many there are

anonymous · Answer

hahaaa yess test on 30th :( @uri

amistre64 · Answer

20 + 30 + 40 + 50-x +10+2x = 5(87)

uri · Answer

Aww,Best of luck for it,I have to apply there next year,I still go through those sums,I came to this and i was confused too. :3 @ArbabShah

amistre64 · Answer

150+x = 5(87)

x = 5(87) - 150

anonymous · Answer

@amistre64  Thankyouuuu:D

@uri  haha thanks hope i clear it :/ dont worry you'll get in easily you're good at math :)

uri · Answer

I ain't lol,I'm just good at commerce math,Wait that's what i want to get in Iba,you're not bad :3

anonymous · Answer

Yes you are na i know :p i suck at math i know :p

uri · Answer

LOOOOOOOOOL no,You are nice.

anonymous · Answer

hahah :) your siblings are in iba too right?

uri · Answer

Yes 2 siblings,and my cousin is applying too like he will be with you on 30th.

anonymous · Answer

wow genius family mashallah :p

uri · Answer

Haha,not really,Everyone is genius except me. :(

anonymous · Answer

yes yes really no seriously you are good :)

uri · Answer

Thanks :3

anonymous · Answer

:)