Jenny's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Jenny $4.50 per[..]

If a liter of chemical X is 95% pure, how many liters of water must be added to make a 50% solution?

Mr. Lucido deposited 225 pesos in the bank. If his deposit consisted of 29 bills, consisting of 5 peso and 10 peso[..]

The left and right page numbers of an open book are two consecutive integers whose sum is 323. ind these page numbers

If the exchange rate of US dollars to pesos is $1 = Php 47.90. What is the value of Php 1 in American cents?

In a bundle of new 100 bills, the bills are consecutively numbered RTC3432260 to RTC3432280. How much is the total[..]

Natasha rides her bike ( at a constant speed) for 4 hours, helped by a wind of 3 miles per hour. Pedaling the same[..]

three ships take 10, 12, and 16 days, respectively, to leave and return to San Francisco. They leave at the same[..]

Cho is building a sandcastle in the shape of a triangular pyramid. The area of the base is 7 square feet. Each side[..]

A compass with legs 3 in. long is opened to measure the diameter of a circle. If the diameter is 5 in., what is the[..]