Alexis has $115 and he is earning $50 per week at his summer job. Eduardo has $130 and is earning $40 per week at his summer job
. Which system of equations could be used to determine how many weeks they must work to earn the same amount?
2 answers:
Answer:
addition or multiplication
Answer:
Step-by-step explanation:
Alexis earned to equal Eduardo earned in how many weeks
Alexis earned 115 + 50w = Total w equals weeks
Eduardo earned 130 + 40w = Total w equals weeks
subtract equations -15 + 10w = 0
10w = 15
w = 1.5 weeks they both will have $190
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Answer:
2.20
Step-by-step explanation:
The GPA is the weighted average of the grade points. The weights are the number of course hours.
((16 hours)(3.0) +(7 hours)(1.0) +(21 hours)(2.0))/((16 +7 +21) hours)
= 97/44 ≈2.20 . . . . GPA
Here, 3x + 6x = 90
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x = 10
In short, Your Answer would be 10
Hope this helps!
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