Respuesta :

a) 170.00 =8n -30

200= 8n

n = 200/8 = 25 items


b) since the expenses increased the profits would decrease

profit = 8(25)-40 = 200-40 = 160

170-160 = 10.00

 profit decreased by $10.00

a)
8n - 30 = 170
8n = 200
n = 25
answer
25 items bought

b)
8(25) - 40 = 200 - 40 = 160
160<170...decrease

answer
profit would decrease by $10 (170 - 160 = 10)