Kal practices lines for 28 minutes at his acting class. This is 70% of the entire acting class. How many minutes long is his acting class?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.