Approximately what will Kira’s profit be if she sells 50 sandwiches?  

When a solar flare occurs on the Sun, it can send out a blast wave that travels through space at a speed of 1.875 × 106 miles per hour. How would this speed, in miles per hour, be written as a decimal number?  

The committee responsible for making the arrangements for an upcoming conference can rent the following sizes of tables. There are 600 people registered for the conference. All of the following combinations of tables will allow all those registered to be seated. Which will allow them to be seated at the LEAST cost?

A furniture manufacturing company is hosting a picnic for its employees. Each employee is allowed to bring one guest. If 600 employees attend, and 3/5 of them plan to bring a guest, how many guests are expected at the picnic?

If a skydiver with mass m, in kilograms, jumps from a plane, the maximum speed she will attain in free-fall (v), in meters per second, is given by the formula  Approximately what is the maximum speed, in meters per second, of a skydiver weighing 60 kilograms?