00:01
So for all these questions, i'm just going to quickly run through them all, just to show you how they're done.
00:06
So for the first question, it says kealo is 7 kilograms lighter than mass y.
00:12
Form an algebraic expression for kealo's weight if mass weighs w kilograms.
00:21
So we know that kealo is equal to mass weighs weight minus 7 kilograms as he is 7 kilograms lighter than mass way.
00:38
So therefore the weight of kealo, which i'm just going to call weight of kealo is equal to the weight of mass way is w minus 7.
00:58
For two it says abucco has five sheep and white cows form an algebraic expression for the total number of animals he has for the number of animals he has.
01:07
Number is going to be the number of sheep he has, which is five, plus the number of cows he has, which is y.
01:16
The third one, it says paul has s shillings to spend.
01:20
He buys a shirt for 700 shillings, form an algebraic expression for the amount of money he has left.
01:29
So paul starts with, so we want to work out the money he has left.
01:37
He starts with s shillings, and then he spends 700.
01:43
So he loses 700.
01:46
So s minus 700 is the answer to that one.
01:50
Before it says caparo is y years old.
01:54
If capruto is 16 years older than caparro form an algebraic expression for the sum of the two ages.
02:04
So we want the sum of ages.
02:08
So that means we want caparro's age and kipruto's age...