A map has a scale of 4 centimeters to 15 kilometers . If two cities are 18 kilometers apart in real life ,how far apart are cities on the map?

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Afootball is throw by a quarterback to a receiver