1. Twelve increased by a number a
2. Thirty one less than a number r
3. The product of nineteen and a number t
4. b divided by a three
5. Three is less than a number c
6. Two is added by the number x which is divided by eight
7. Six is less than a number y which is divided by eleven
8. Twenty one times a number d increased by thirteen
P= a+b+c = 76
side a = 2b = 30
side b = b = 15
side c = 2b + 1 = 31
When i do it, with the cone formula w volume, i get 678.567 but that’s none of your choices
