Your answer is 138 which is correct
Answer:
10 i think i didnt really get your question though
Option( d ) is the correct one.
Answer:
A) −31+2n=−55
Step-by-step explanation:
2n−31=−55
2n−31+31=−55+31
2n=−24
2n over 2=-24 over 2
n=-12
Answer:
12 and 36
Step-by-step explanation:
Call the age of both Bill and his father is a and b, respectively
we have:
b=3a
b-3=4(a-3) ->b=4a-12 -> 3a=4a-12 ->a =12 -> b=36
