You use 18 pints of white paint and 30 pints of red paint
Answer:
{x,y} = {3,1}
Step-by-step explanation:
visit this for more info;
https://www.tiger-algebra.com/drill/2x_y=7;x-y=2/
The question is an illustration of selection (or combination)
The number of lock combination is 343
The given parameters are:
<em />
<em> --- the number of digits to select from</em>
<em />
<em> --- the number of digits the lock uses</em>
<em />
Because the digits can be repeated, the number of lock combinations is:

So, we have:


Hence, the number of lock combination is 343
Read more about combinations at:
brainly.com/question/15301090
6x = 15
I apologize if this is wrong!
Answer:
is the last one
Step-by-step explanation: