1 answer:










or
0 hours, 7 minutes, 30 seconds
therefore,the answer is 00:07:30

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Answer:
Y+m+B=6
Step-by-step explanation:
If the answer is 0=0 then it has infinitely many solutions if the answer is 0=1 then it has no solution
Answer:
Google Classroom, study blue
Step-by-step explanation:
I have them
pretty sure it would be 0.075
Assume the old of Jack is X and the old of Lacy is Y
so ...
do the mathematical model ...
.
X=2Y
(X+7)+(Y+7)= 35
-
THEN
Solve the equation
y= 7
x = 14