The time Henry spends commuting to school can be represented by two expressions: Time to school: x − 8y Time from school: 2x − 4
y Which expression represents the total time Henry spends commuting to and from school each day?
3x − 12y
−7x − 12y
x + 4y
3x + 4y
2 answers:
Answer: 3x -12y
Step-by-step explanation:
Hi, to answer this question we have to add both expressions, the times "from" and "to" school.
Total time spent: time to school + time from school
Mathematically speaking:
Adding alike terms:
In conclusion, the expression that represents the total time Henry spends commuting to and from school each day is 3x -12y.
The answer is 3x-12y because you combine the like terms so 2x+x=3x and -8y-4y=-12y
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