a canoe traveled 300 miles downstream and upstream. the trip downstream took 6 hours and the trip upstream took 15[..]

Jack's golf bag has 3 rows each with 4 slots in which to put his 12 iron clubs. The putter is number 0 and the other[..]

Liz invested $3000, part at an annual interest rate of 5% and the rest at an annual interest rate of 12%. How much[..]

In the Olympics, Yugoslavia and Brazil each won 1 more silver medal than gold medals, and one more bronze medal than[..]

A building has 2 floors. Each floor has 4 rooms. Each room has 6 tables. Each table has 5 typewriters. How many[..]

The prevalence rate of Hypertension among US adults is 30%. We plan to draw a random sample of 65 people from that[..]

One number is 2 more than 2 times another. Their product is 40. Find the numbers.

A six foot tall robot yields a shadow of fifteen feet during the day. What is the height of the robot that yields a[..]

Three types of trees are in a local park. The number of aspens is 4 more than twice as many oaks, and 50 more maples[..]

five boxes each on 2 3/8 feet high, are stacked in a room with a 12 foot ceiling. how much space is there between[..]