Answer:
86
Step-by-step explanation:
There are 34 composite numbers between 1 to 50 which are as follows: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50.
x = 1
2x + 5 = 10 - 3x
2x + 3x = 10 - 5
5x = 5
1. b
2. a
3. d
4. c
