Two mechanics worked on a car. First mechanic worked 20 hours, and the second worked 5 hours. Together the charged $1800. What was the rate charge by each if the some of both rates was 135 per hour?

A bench is 2centimeter or meters long.

How many terms are in the expression below 2x-xy+4y-1

Determine if 1.7 is a solution to r - 2.4 < 5

Write an equivalent form of the equation 20 : 5 = 8 - 4

Joelle had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

Which is less than 8c or 2L?

How can polygons be cosidered a subcategory of two dimensional figures?

In a hundred meter dash the first five Racers finished with the following times 11.6 seconds 12.8 seconds 10.8 seconds 11.8 seconds and 14 seconds what is the mode for the set of data

How do you explain your work for a division problem.

Otis paints the interior of a home for $45 per hour plus $75 for supplies. Shireen paints the interior of a home for $55 per hour plus $30 for supplies. The equations give the total cost for x hours of work for each painter.