Answer:
1
Step-by-step explanation:
im not very confident about this answer but it should work
Answer: <em>I believe the answer would be 16 divided 7, so you find the answer to that then you put the positive and the negative of that number for the answer. </em>
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Don't you just hate IXLs?
Answer:
-12
Step-by-step explanation:
x+7-4x=19-2x
-3x+2x=19-7
-x=12
x=-12
Answer:
Number of questions constraint:
x + y ≥ 15
Time constraint :
5x + 8y ≤ 120
Step-by-step explanation:
Let :
x = number of equations
y = number of word problems
Number of answers required = atleast 15
Equation takes 5 minutes
Word problem takes 8 minutes
Time available to complete exam = 120 minutes
Constraints :
Number of questions required
Total questions shout be atleast 15
x + y ≥ 15
Time constraint :
5x + 8y ≤ 120