The answer would be 17. to get this, i subtracted 7 from both sides, which will give you 0 and 17. 17 is 17inches/units from 0. kinda an easy way to do this :P
First of all you need to put a table up so people know what you're talking about, but It just so happens I'm a student as well, so the answer is 5 because the question ask how many people are 12 years or older there are 3 12-14 kids and 2 15-17 kids so 3+2=5
Answer:
Hope that helps
Step-by-step explanation:
Brainliest would be much appreciated
