The son's age is 31 and the father's age is 61.
2s-3=f
f-s=30
f=61
s=31
<span>Rock, Carbon, Water, Nitrogen</span>
Answer:
question does not seem complete, from what i know it sounds like he should add up the test scores and divide it by five, that will give him his average which should be his grade, please update question if possible
i hope this helped ;)
Answer:
what do you need help with ???
