APaserBy lol the maths art was insane . i thought we have to use chemistry but it was maths lol lol lol February 10, 2024 at 5:12 am Log in to Reply
xsleepyx wait am i stupid?? i tried doing the maths question but i got 40… 200ml of 90% alchohol -> 180 mls of alchohol they want the 180mls to equal 75% so 180 x (100/75) = 240 which means 240 mls in total = 40mls added water October 28, 2023 at 1:17 am Log in to Reply
APaserBy
lol the maths art was insane
. i thought we have to use chemistry but it was maths lol lol lol
xsleepyx
wait am i stupid??
i tried doing the maths question but i got 40…
200ml of 90% alchohol -> 180 mls of alchohol
they want the 180mls to equal 75%
so 180 x (100/75) = 240
which means 240 mls in total
= 40mls added water