Arrange the following integers in the order indicated. A. In ascending order 1.-12, +4, -13, +8
1 answer:
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For this case, the first thing we must do is define variables.
We have then:
x: number of years of Joan y: number of years of ellen We now write the system of equations:
Solving the system we have:
So that Joan is 21 years old then:
Answer:
joan will be 21 years old in 12 years
We have then:
x: number of years of Joan y: number of years of ellen We now write the system of equations:
Solving the system we have:
So that Joan is 21 years old then:
Answer:
joan will be 21 years old in 12 years