I think I know what you're asking. You know that 4+4=8 so you can just subtract 1 from that to get 7.
The unknown number is 1/2 or 0.5.
ex: 4x+6=8
A = 2(6)(8)/2 + 8(7) + 7(10) + 6(7)
A = 146 sq m
Therefore the surface area of the triangular prism is 146 m^2.
Answer:
7(2/5) = 14/5 = 2 whole pizzas and 4/5 of another or 2.8 pizzas. or 2 and 4/5 pizzas
Step-by-step explanation: