Mark has 16 marbles, Don has 51 marbles
Hope this helps- brainliest would be great thanks
(C) 3y+5
First you would distribute the 3 across the (y+4) to get 3y + 12, the you'd subtract 7 to get 3y+5
Given :
The scale for a map to actual distance is 2 cm to a 100 miles.
To Find :
He actual distance on the map be between Los Angeles and Las Vegas is 5.4 centimetres what is the actual distance in miles between Los Angeles and Las Vegas.
Solution :
2 cm of map shows 100 miles of actual distance.
So, 1 cm of map shows 50 miles of actual distance.
Now, 5.4 cm of map will show :

Therefore, distance between Los Angeles and Las Vegas is 270 miles.
Hence, this is the required solution.
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It could be B but I want to say D because it relates more to the question.