15 workers can complete a job in 45 days. In how many days will 5 persons do the same job?

You buy some beads and string from a student on campus to make a bracelet for yourself. You valued the materials at $11 but were charged only $8. Unknown to you, the seller would have sold them for $5.

In a triangle ABC, the measure of

The number of hours it takes Jack to drive from Boston to Bangor is inversely proportional to his average driving speed. When he drives at an average speed of 40 miles per hour, it takes him 6 hours for the trip.

Local hardware store the number of bolts, b is 7 more than three times the number of nuts, n which equation matches the information

What is the difference between 4/5 and 3/8

John had 84 dollars, and his brother Fred owed 12 dollars to his friend. John gave his brother some money. Fred paid his debt and now both of them has the same amount left. How much money did John give Fred?

True or false: dilations map angles of the same degrees

The rental fee for a bike is $4 plus $1.50 per hour. Write an equation in slope-intercept from that models this situation.

Share 200 in the ratio 3:1:4

Write the 5 digit number: a) number consists of 3 different digits b) all digits are even numbers greater than zero c) value of ones digit is 1/10 value of tens digit d) value of the tenths digit is 10 times as much as the value of the hundreds