Ratios

Because Patrick and Noah shared their toys in the ratio 4:1 when Patrick's name was listed first, it means Patrick had 4 times as many toys as Noah.

 

Therefore:

Patrick had 4 times of the toys Noah had, and Noah had 4 toys.

 

4 * 4 = 16

 

So Patrick has 16 toys in total.

 

Hope this helps :)