human
Diana earned $150 in July. She earned 3 times this amount in August. In September, She earned twice the money she earned in August. How much money did Diana earn over these three months?
assistant
How much money did Diana earn in August? ** The amount of money Diana earned in August is 3 * $150 = $<<3*150=450>>450.
How much money did Diana earn in September? ** The amount of money Diana earned in September is 2 * $450 = $<<2*450=900>>900.
How much money did Diana earn over the three months? ** The total amount of money Diana earned over the three months is $150 + $450 + $900 = $<<150+450+900=1500>>1500.
#### 1500