A= 1/2bh
b= 12in
a= 54^2in

Write the fraction or mixed number and the decimal shown by the model

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left