How do I solve this problem

Question

How do I solve this problem
3times the square root of 13 plus 7 times the square rrot of 13 equals to what?

Writeacher · Answer

http://www.google.com/search?rlz=1C1GGGE_enUS379US379&sourceid=chrome&ie=UTF-8&q=square+root+of+13

Rida · Answer

3(3.6)+7(3.6)