please please help ;3 ~ word problem for algebra 1
Brett usually takes 50 min. to groom the horses. After working 10 min., he was joined by Angela and they finished the grooming in 15 min. How long would it have taken Angela working alone?

thanks in advance x3

Question

please please help ;3 ~ word problem for algebra 1 
Brett usually takes 50 min. to groom the horses. After working 10 min., he was joined by Angela and they finished the grooming in 15 min. How long would it have taken Angela working alone?

thanks in advance x3

anonymous · Answer

so i tried making a chart for it 
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anonymous · Answer

so i know that her work rate is supposed to be 1/x but i'm not really sure why

anonymous · Answer

oh woah i think i got it
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