Respuesta :

18. $18 + $16 + $6 = $40

20. $300 - [3($39) + 2($62)]
= $300 - ($117 + $124)
= $300 - $241
= $59
Therefore, yes, he has enough money.

22. L = 26 W = 14
Perimeter = 26 + 26 + 14 + 14
= 80
Cost = 80ft * $13/ft
= $1040