A math problem has 25 questions.Some are worth 2 points and some are worth 3 points. The test is worth 60 points in total. Which
systems can be used to determine the number of 2 points and the number of 3 points on the test?
1 answer:
Answer:
There can be many possibilities
Possibilities:
one<u> </u><u>possibilities</u> that is perfect according to me is:-
15questions of 2 points
15×2=30 points
.
.
10questions of 3 points
10×3=30 points
.
.
Total =30+30=60 points
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.
Hope it helped you
lf not then I am sorry for this.
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9x²- 25
3x(3x) = 9x²
3x(5) = 15x
-5(3x) = -15x
-5(5) = -25
9x² + 15x - 15x - 25
9x² - 25 is your answer
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