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Marina86 [1]
3 years ago
9

Your teacher is giving you a test worth 100 points containing 40 questions. There are two‐point and four‐point questions on the

test. How many of each type of question are on the test?
Mathematics
2 answers:
Mumz [18]3 years ago
5 0
Since we're looking for x and y, we can set up a system of equations.
x + y = 40
2x + 4y = 100
Let's try 20 for x and 20 for y.
20 + 20 = 40
2(20) + 4(20) =40 + 80, nope.
Let's try 30 for x and 10 for y.
30 + 10 = 40
2(30) + 4(10) = 60 + 40, yes!
x (2 pt) = 30
y (4 pt) = 10
I hope this helps!
Arisa [49]3 years ago
3 0
30 questions worth 2 points, and 10 questions worth 4 points.
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Step-by-step explanation:

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1 year ago
rick jogged the same distance on tuesday snd friday, and 8 miles on sunday for a total of 20 miles for the week. solve to find t
saveliy_v [14]

Ricky jogged 6 miles on tuesday and 6 miles on friday

<em><u>Solution:</u></em>

Given that,

Rick jogged the same distance on tuesday and friday

Let "x" be the distance jooged on each tuesday and friday

He also jogged for 8 miles on sunday

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total distance jogged = miles jogged on tuesday + miles jogged on friday + miles jogged on sunday

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20 = 2x + 8

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