By Miranda Menestrina
- **Apr 24**, 02:00 AM

Math
If and represent digits of a positive two-digit number divisible by 3, is the two-digit number less than 50?
(1) Sum of the digits is a multiple of 18
(2) Product of the digits is a multiple of 9
Question Discussion &...

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By Miranda Menestrina
- **Apr 21**, 02:00 AM

Math
The following table shows results of a quality inspection of a lot of 15 mirrors.
The difference between the median number of defects and the average number of defects in...

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By Miranda Menestrina
- **Apr 17**, 02:00 AM

Math
At Store X, the list price of a new laptop is $1,500. For the holidays, Store X initially offered a 10% discount on the laptop. Later in the season, the store offered an additional $75 discount on the already discounted price. Sarah bought a new...

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