w=r/f where r is the speed of sound in meters per second and f is the frequency in cycles per second. The speed of[..]

The manager of a candy shop sells chocolate covered peanuts for $7 per puond and chocolate covered cashews for $14[..]

parallel lines m1=m2 and perpendicular m1*mw=1 complete the table of ordered paris for linear equation 3x+y=10

A pilot flew from an airport to another against a headwind of 20 milees per hour. The flight took 2 hours. He[..]

Three pipes, A,B, and C, are often used two at a time to fill a tank. When A and B are used together, the tank is[..]

A man has two children, a boy and a girl. The boy is 6 years older than the girl. Two years ago the fatther's age[..]

There are three numbers whos sum is 45. The ratio of the sum of the first two numbers to the third number is 8/7.[..]

A man rows 3 miles downstream in 32 minutes. He rows back again at the same rate in 95 minutes. Find the rate of the[..]

The product of two people's ages is 3190. One is three years older than the other. What are their ages?

Brenda wants to attach a string of beads along the circular bottom edge of the lamp shade shown below. The diameter[..]