Joy buys some slices. I don't know how many. So I will let the unknown number be represented by the letter X
Joy buys X slices.
How many does Ansan buy (answer in terms of X)
Then work your way through the other purchases.
Make an equation then solve it.
Give it a go and show us your logic so we can help you more if you need it.
To other answerers: Please let asker guest answer this.
Not quite
Joy bought X
Ansen bught 2X
so far so good.
Kingley bought 3 less than 3 times as many slices as joy.
What is 3 times as many slices as Joy? what is 3 less than that?
Jacky bought twice the sum of what joy bought and 5.
This is badly worded but it means
But it means.
add 5 to what Joy bought, and THEN you double it. That is what Jacky gets.
The last one is similar.
NOW try again.