human
It takes Polly 20 minutes to cook breakfast every day. She spends 5 minutes cooking lunch. She spends 10 minutes cooking dinner 4 days this week. The rest of the days she spends 30 minutes cooking dinner. How many minutes does Polly spend cooking this week?
assistant
How many minutes does Polly spend cooking breakfast? ** Polly spends 20*7 =<<20*7=140>>140 minutes cooking breakfast.
How many minutes does Polly spend cooking lunch? ** She spends 5*7= <<5*7=35>>35 minutes cooking lunch.
How many minutes does Polly spend cooking dinner? ** She spends (10*4)+(30*3)= <<10*4+30*3=130>>130 minutes cooking dinner.
How many minutes does Polly spend cooking this week? ** Therefore, she spends 140+35+130=<<140+35+130=305>>305 minutes cooking this week.
#### 305