A stagecoach left dry gulch traveling east at 30 km/h. Two hours later, another stagecoach left dry gulch traveling[..]

Romeo saw Juliet when she was 87 meters away. He started running towards her at a rate of 5 m/s. Three seconds[..]

A restaurant’s menu has seven entrees, and five beverages. To order dinner, a customer must choose one entrée and[..]

How many ways can 8 people form a line to buy tickets at a ticket booth? Explain.

A certain bronze alloy containing 4% tin is to be added to 350 kg of bronze containing 18% tin to produce a new[..]

Determine how many four-character codes can be formed if the first character is a nonzero digit, the second[..]

Central park, which lies in the middle of Manhattan, is rectangular shape and has a 6 mile perimeter. The length is[..]

The radiator in a car is filled with a solution of 60 per cent antifreeze and 40 per cent water. The manufacturer of[..]

what amount increased by 37.5% of itself yields 1925?

withing the past five years, the average price of a haircut has increased by 20%. If a haircut costs $24 today, what[..]