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?
Polly spends 20*7 =<<20*7=140>>140 minutes cooking breakfast.
She spends 5*7= <<5*7=35>>35 minutes cooking lunch.
She spends (10*4)+(30*3)= <<10*4+30*3=130>>130 minutes cooking dinner.
Therefore, she spends 140+35+130=<<140+35+130=305>>305 minutes cooking this week.
#### 305