A paint mix uses blue, white, and silver in the ratio 2:3:5. Enter the total number of equal parts in the ratio.
Ճիշտ պատասխան
10
Բացատրություն
Adding the three terms gives 2 plus 3 plus 5, so the mix contains 10 equal parts altogether. Multiplying the terms would not count the parts represented by the three-part ratio.