Answer:
7 x 4
Step-by-step explanation:
Let the width be x, length will be 3x-5. ATQ, x(3x-5)=28. x=4 and x=-7/3, since length isn't negative, x=4. Width=4 and length=7
Okay so first you want to get y by itself
6-2y= -x
subtract 6 on both sides
Now it should look like -2y= -x - 6
Now divide everything by -2
Now it should look like y= -x -6
Hope this helps sorry if it’s confusing
X>12
simplify both sides, then isolate the variable
1000/7 = <span>142.857142857
Because this is not an even number we take "142", then times it by 7 teachers.
142*7= 994
1000 - 994 = 6 Pencils left</span>
