Blue cassettes hold 45 minutes of music. green cassettes hold 55 minutes
of music. if niko has 16 cassettes containing 830 minutes of music, how
many are blue, and how many are green?
a. 4 blue cassettes and 12 green cassettes
o
b. 2 blue cassettes and 14 green cassettes
o
c. 3 blue cassettes and 13 green cassettes
o
d. 5 blue cassettes and 11 green cassettes
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