Answer:
10
Step-by-step explanation:
the range is the difference between the biggest and the smallest number
55-45=10
Answer:
X=6
Step-by-step explanation:
5(x-1)+3x=7(x+1)
5x-5+3x=7x+1
8x-5=7x+1
8x-7x=1+5
X=6
So the answer is X=6
n = 6
6 x 5 = 30
hope this helped, please mark brainliest. :)
Answer:
106
Step-by-step explanation:
1272/21