Assume a convenience outlets will be placed 20 ft apart along outside in a shop. If the shop is rectangular measuring 60 ft by 225 ft. What is the number of outlets required for the shop?

a, b, and c are all correct.

the conclusion would be the most affected category scoring

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

different routes can lead to sammy to different places, with different roads.   if you check a map, you can see the routes.   try to make connections of the places and count how many there are.   hope this : )