2bi) Here is a mathematical way: 10.8 = ((10 x Y) + (11 x (100-y))) / 100. Solve for Y, but make sure you get all the brackets correctly.
@DrMonaSeif4 ай бұрын
You're right that the calculation can be done mathematically. But the question asked us to deduce rather than calculate, So we opt for mental shortcuts. Your approach is valid too, But when the question asks for mathematical calculation or when there are marks on the steps.
@OanddA4 ай бұрын
i wanna learn the mathematical way but the brackets here in the chat r rly confusing
@WINXOTHER4 ай бұрын
@@OanddA my bad, I couldn't express it in a different way in this chat, if you want send me your instagram or any other social media platform and I will be happy to help
@WINXOTHER4 ай бұрын
@@OanddA send me your insta account, and I'll try explaining it for you
@hasabalakir3 ай бұрын
why 100-y
@rissa_175 ай бұрын
Thank you so much for this video I’m watching it the morning before my mock and it’s been very helpful :)
@yaramohammed1534 ай бұрын
hi, my exam is in 6 days im watching your videos cuz they are really helpful, also any tips to get an A* in p4?
@minnahabdelmoati35596 ай бұрын
Thank you so much my mok is in 1 week and thas really helped me out
@blazefelix45163 ай бұрын
Study my boy
@Kpopfangirl66573 ай бұрын
Can you send the link of this past paper
@blazefelix45163 ай бұрын
and learn from all the past paper u do
@wm45214 ай бұрын
Easiest paper out of all 3 variants
@IshaanIrushaad4 ай бұрын
Anga madun laagen hurebe dhw vrh undhagoo vey liyaa iru