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behemoth42
05.10.2019 •
Mathematics
Andrew is 6 years older than phil. the sum of their age is 14. what are their ages?
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Ответ:
A=6+P (key word: "is" means equal)
A+P=14
Now we substitute A in the equation as:
(6+P)+P=14
6+2P=14 ***added like terms***
-6 -6
2P=8
---
2 2
P=4
We just find out that Phil is 4 years old...BUT WHAT ABOUT ANDREW!!??? We are simply just going to substitute Phil's age into one of the equations as so:
A+P=14
A+4=14
-4 -4
A=10
Andrew is 10 years old and Phil is 4 years old! Have a blessed day!
Ответ:
42 feet
Step-by-step explanation:
if each inch equals 6 feet, and if her drawing is 7 inches long, then 7×6 would equal the auctual length of the boat, which is 42 feet.