9 because if each poinsettia is $20 and she sold 15 she made $300 on the poinsettia. 543-300=243 so she made $243 on the wreaths and each reath costs $27 so 243÷27=9
4 different streets with 5 customers on each means 4*5 customers or 20 customers. If he has 20 customers and he gets $10 from each one, thats 20*10. he collected $200
