Answer:
you have to add all of them up it will get you some of your awner
300 + 0+ 1, 200 + 50+ 6, 800 +70 + 8.
John is 31 and Jenny is 26
Use Order of Operations!! Remember PEMDAS!
P: Parentheses first
E: Exponents (ie Powers and Square Roots, etc.)
MD: Multiplication and Division (left-to-right)
AS: Addition and Subtraction (left-to-right)
7+25•4 (multiply 25 by 4 first)
7+100 (then add 7 to 100)
107
So your final answer would be 107
Hope this helped and I hope you have an awesome day!! :D