By Miranda Menestrina
- **May 13**, 02:00 AM

Math
Two trains continuously travel between Washington D.C. and Baltimore which are 120 miles apart. The trains start simultaneously, with train A starting in Washington DC and train B starting in Baltimore, and travel at 30 and 90 mph respectively. If the station turnaround times are...

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By Miranda Menestrina
- **May 11**, 09:54 AM

Math
Foodmart customers regularly buy at least one of the following products: milk, chicken, or apples. 60% of shoppers buy milk, 50% buy chicken, and 35% buy apples. If 10% of the customers buy all 3 products, what percentage of Foodmart customers purchase exactly 2 of...

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By Miranda Menestrina
- **May 6**, 02:00 AM

Math
If a portion of a half water/half alcohol mix is replaced with 25% alcohol solution, resulting in a 30% alcohol solution, what percentage of the original alcohol was replaced?
A.
B. ...

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By Miranda Menestrina
- **May 5**, 02:00 AM

Math
The probability that a convenience store has cans of iced tea in stock is 50%. If James stops by 3 convenience stores on his way to work, what is the probability that he will not be able to buy a can of iced tea?
A. ...

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By Miranda Menestrina
- **Apr 30**, 02:00 AM

Math
A number of light bulbs were purchased to illuminate a gym. However, only of them were needed and 160 leftover light bulbs were returned. If only 60% percent of their cost, or $96, was reimbursed, how much money was spent on illuminating...

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