Question

Genie is a dental hygienist. She has 15 boxes of mint dental floss that have 16.4

yards in each box. She also has 11 boxes of waxed dental floss that have 49.4 yards
in each box. How many yards of dental floss does Genie have?

Answer 1

789.4 yards of dental floss total.

Explanation:

15 times 16.4 = 246

11 times 49.4 = 543.4

246+543.4=789.4

Answer 2

789.4 tards of dental floss

Explanation:

multiply 11 by 49.4 which gives you 543.4 then multiply 15 by 16.4 then add up your answers and then you have your correct answer.