Respuesta :

lotzkidhannah

Number 11:

(356-50) ÷ 17 = x

11.    50 +17x = 356    where x = number of months

17x = 306

x =306 / 17  = 18 months answer


12.   3x + 21 = 60

3x = 39   x = $13 answer


13.    15(x - 20) =  375

15x  - 300 = 375

15x = 675

x = $45  answer

Otras preguntas