B because 300 is the total. In order to get the total you would need to add 10x and 15y. Both x and y represent the amount of people.
Can you post a clearer pic
To find $9,567 rounded to the nearest hundred you must first find the hundreds place which is where 5 is then according to the number behind it you either round up or you keep 5 the same since the number behind 5 is 6 you round 5 up one which brings 5 to 6 now everything behind your new number is turned to 0. so your new amount would be $9,600
My b i jus need to answer a q for i can ask one
0.6 is 3/5 in decimal form