A total of 107 oranges are picked by Del and Juan. Del picked 23 on each of 2 days and Juan picked the rest. How many oranges did Juan pick? Give the rationale and then the answer.
Let's think step by step. Del = 23 * 2 = 46 oranges. 107 - 46 = 61 oranges. Juan picked 61 oranges.. The answer is: 61.

Maximoff's monthly bill is $60 per month. His monthly bill increased by thirty percent when he started working at home. How much is his total monthly bill working from home? Give the rationale and then the answer.
Let's think step by step. He pays an additional $60 x 0.30 = $18 on his monthly bill working from home. Therefore, the total amount he pays for his monthly bill working from home is $60 + $18 = $78.. The answer is: 78.

Noemi lost $400 on roulette and $500 on blackjack. How much money did Noemi begin with if she still had $800 in her purse? Give the rationale and then the answer.
Let's think step by step. The total amount of money that she lost is $400 + $500 = $900. If she remained with $900, she initially had $900 + $800 = $1700.. The answer is: 1700.