have a word problem: Sunday 60 Minutes; Monday 30 Minutes; Tuesday 60 Minutes; Wednesday 0 Minutes; Thursday 60 Minutes; Friday 40 Minutes; Saturday 30 Minutes.
How many minutes would it take to practice on Wednesday to average 45 minutes a day?

Question

have a word problem: Sunday 60 Minutes; Monday 30 Minutes; Tuesday 60 Minutes; Wednesday 0 Minutes; Thursday 60 Minutes; Friday 40 Minutes; Saturday 30 Minutes. 
How many minutes would it take to practice on Wednesday to average 45 minutes a day?

anonymous · Answer

(60+30+60+x+60+40+30)/7= 45
280+x=45*7
280+x= 315
x =315-280
x =35

anonymous · Answer

so, 45minutes would it take to practice on Wednesday to average 45 minutes a day

anonymous · Answer

35