Part A:
1 solution. It is a linear equation => one solution.
Part B:
3(2x - 7) = 3
(divide through by 3) 2x - 7 = 1
(add 7 to both sides) 2x = 8
(divide through by 2) x = 4
Answer: i hope this helped
Step-by-step explanation:
It is bxh/2 so base times height / by two
so about 53 kids didn't have costumes.
Find the number of full ones by subtracting empty from total:
50 - 23 = 27 full
The ratio of empty to full is written as empty: full
Ratio = 23:27