percentages

Question

Your supervisor wants the supply cabinet restocked with a total of 30 boxes of pens. The order should be 40% black ink, 30% red ink, and the remaining 30% blue ink. How many boxes of black ink pens should you order

Answer 1

40% of 30 is 0.4 times 30 which equals 12 (boxes of black ink pens).

This hint should enable you to finish the job.