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OpenStudy (anonymous):
A knitted scarf uses three balls of wool. I start the day with b balls of wool and knit s scarves. How many balls of do I have left at the end of the day? (a) 3(b-s) (b) b-3-s (c) b-3s (d) 3bs (e) s+3b
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OpenStudy (anonymous):
b-3*s
OpenStudy (anonymous):
it's the number of balls you start with... b minus 3 for every scarf you knit. b - 3 * s
OpenStudy (anonymous):
b-3s
OpenStudy (anonymous):
why
OpenStudy (anonymous):
read my explanation.. what do you not understand and I will try to help.
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OpenStudy (anonymous):
i was asking pratu043, but you very much
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