Answer:
7
Step-by-step explanation:You add the numbers and then divide by 5.
You would put 2.5 over 50 and x over 1. Then would cross multiply then divide by 2.5 and should get the answer.
I hope you do well
Between 2 and 6 means the set is more than 2 and less than 6
x is the set
x>2 and x<6
2<x and x<6
2<x<6
it is wrong that they wrote
2>x>6, means x is les than 2 and greater than 6
no solution
correct way is 2<x<6
If every single student met one an another, then you would hear 90 hi's. Since there are 45 different combinations of 2 students meeting another, and since there are 2 hi's each meeting, there would be 90.
I hope that this helps.
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