I think the answer is 2 tyres but i am not sure but don’t blame me if it’s wrong
Hello.
First of all, let the number be t.
8 times t can be written like this:

Notice that the number is before the variable and the times sign (×) is not there.
We can write it as 8×t, but we usually write it as 8t.
The sum of means we add:
8t+21
Now, "less than" is "<" :

Therefore, the answer is

I hope it helps.
Have a nice day.

Answer:
i d k cuz they r du.mb???
Step-by-step explanation:
have a nice day :) :) :)