1.50x + 450 = 3x
450 = 3x - 1.50x
450 = 1.50x
450/1.50 = x
300 = x
300 copies must be sold to break even
997/1000, or just round it to 1. <em>If I helped click thanks please (:</em>
Answer: 20
Step-by-step explanation:
Answer:
84 km
Step-by-step explanation:
you times 7 by 4 and get 28 then you times 3 by 28 and get 84 km