Answer:17
Step-by-step explanation:
tommy was 14 ten years ago 2times old as ron.14/2=7 . so we add the 10 years ron is 17..c;
6(x+1)=24
6x+6=24
6x=24-6
6x=18
6x/6=18/6
x=3
340.8 will be the answer i know how to do surface area of a pyramid but this one is a little confusing i followed the formula and all that but i think this is the right answer, sorry if it was wrong