If x percent of 40 is y, then 10x equals

On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains.  If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the following Monday?

A certain farmer pays $30 per acre per month to rent farmland.  How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet?  (43,560 square feet = 1 acre)

In parallelogram PQRS shown, if PQ = 4 and QR = 6, what is the area of PQRS?

If a company allocates 15 percent of its budget to advertising, 10 percent to capital improvements, and 55 percent to salaries, what fraction of its budget remains for other allocations?

A certain club has 20 members.  What is the ratio of the member of 5-member committees that can be formed from the members of the club to the number of 4-member committees that can be formed from the members of the club?

For a nonnegative integer n, if the remainder is 1 when 2ⁿ is divided by 3, then which of the following must be true?

I. n is greater than zero.

II. 3ⁿ = (-3)ⁿ

III. ~$\sqrt{2^{n}}$~ is an integer.

Of the fruit that arrives at a cannery, 20 percent by weight is rejected before processing.  Of the fruit that is processed, 15 percent by weight is rejected before canning.  Of the fruit that arrives at the cannery, what percent by weight is canned?

If ~$\frac{k}{60125}=0.001$~ , what is the units digit of k?

If M is the least common multiple of 90, 196, and 300, which of the following is NOT a factor of M?