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
Part a: subtract 48-30=18
Part b: i found it by subtracting 48 -30 because it says left over
Answer:
8
Step-by-step explanation:
2
to see quick score she must use a pie chart