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C: Yes, the cost will double if the people double. e.g.: there is a bus filled with half it's capacity. the capacity doubles as the people on the bus double's.

D: The cost is not the same, you would double the cost of the students, and halve the adults cost, so a is now 2, and c is now 48, so student cost is now $624, and adult cost is $40. Add it together and you get your new cost; $624+$40= $664

coolkidplayz17 coolkidplayz17 · Answer 2 · 2022-01-12T20:51:34+01:00

Answer:

Look at step by step for answer. (Might take a while to read but enjoy..)

Step-by-step explanation:

a) Knows that a stands for adult we plug in 1 where a is. Once we do this we know that the cost of one adult is $20. C stands for the student so we plug in 1 where c is. The cost of one student is $13.

b) Plug in 4 where a is to get 80, so it costs $80 for 4 adults. Plug in 24 where c is to get 312, so it would cost $312 for 24 students.

c) The cost of the group from (b) would be $392. (Add $80 with $312) We know that the numbers double so 4 adults turn into 8 adults and 24 students turn into 48 students. Plug in 8 for a to get $160 and then plug in 48 where c is to get $624. We need to find if the cost doubled so we first add $160 with $624 to get $784. We can use the equation $784 - $392 to get $392. So the price does indeed double. (Just use the equation $784- $392 for the example.)

d) Since adults get cut in half the number goes down to 2 and since the students double it goes to 48. Plug in 2 where a is to get $40 and plug in 48 where c is to get $624. No the cost is not the same, this is because there are less adults then before. Only the cost of the students stayed the same.