Tirone
13.07.2019 •
Mathematics
Three people are comparing their ages. charlie and ann's ages add to 5 years more than bob's age. charlie and bob's ages add to 6 years more than twice ann's age. ann and bob's ages add to 7 years more than four times charlie's age. set up a system of equations and solve for each person's age.
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Ответ:
Solution:
we are given that
Three people are comparing their ages.
Let charlie age be x , ann's ages be y and bob age be z , then we can write using the given info
charlie and ann's ages add to 5 years more than bob's age.
Now using the given info. that charlie and bob's ages add to 6 years more than twice ann's age.
Again using -ann and bob's ages add to 7 years more than four times charlie's age.
Now we will solve these three equations together using calculator we get
x=34, y=57 and z=86
Hence charlie age is 34 , ann's ages is 57 and bob age is 86.
Ответ:
Explanation: Absolute value is always positive and 6 is the biggest number listed above
Once you take the absolute of |-6| it will become a positive 6