Ineed solving these inequalities 1.) 3 ≤ w + 2 ≤ 7 2.) 12 < 14 + 17 + a ≤ 16                3

3 < = w + 2 < = 7subtract 2 from all parts
3 - 2 < = w + 2 - 2 < = 7 - 2simplify
1 < = w < = 5 this is ur answer

12 < (14 + 17 + a) / 3 < = 16multiply all parts by 3
12 * 3 < 3 *(14 + 17 + a) / 3 < = 16 * 3...simplify
36 < 14 + 17 + a < = 48
36 < 31 + a < = 48...subtract 31
36 - 31 < 31 - 31 + a < = 48 - 31
5 < a < = 17 < ur answer

There is 240 red cars and there is 400 blue cars because 240/3=80 and 80*5=400