Question

A collection of quarters and nickels is worth $13.70. There are 106 coins in all.

How many of each coin are there?
quarters
nickels

Answer 1

if I fail this test my mom will hurt me

Answer 2

8 and 19

Answer 3

let the shorter piece = x
longer piece = 2x + 3
2x+ 3 + x= 27
3x = 24
you can find x and then longer piece

Answer 4

so the long piecis is 19

Answer 5

noooo

Answer 6

Of course it is

Answer 7

Admission for a movie is $8 for children and $12 for adults. On a certain day, 3200 people attend the movie theater and $33,040 is collected.

How many children and how many adults attended the movies?

Answer 8

can anyone help I have to pass this because I do k12 and I only take it once im begging please

Answer 9

let say there are x children and y adults
1. x+y = 3200
2. 8x +12y = 33040
3. x= 3200 - y
put value of x from 3. to 2, equation

Answer 10

wait so what

Answer 11

1340 1860 is that it

Answer 12

Yups

Answer 13

A collection of quarters and nickels is worth $13.70. There are 106 coins in all.

How many of each coin are there?

Answer 14

can anyone help

Answer 15

Let quarte = x and nickels = y
1. x+ y = 106
2. 25x + 5y = 1370
3. x = 106 - y
Put the value of x from 3. to 2.

Answer 16

i dont get it

Answer 17

42 64 i dnt understand

Answer 18

what part?

Answer 19

is this correct

Answer 20

Put these values you got in 2. equation and check whether it is correct

Answer 21

the test has 5 questions i cant submit it yet

Answer 22

http://lms.k12.com/lms/content/progress/unit/gotoUnitList.xhtml;jsessionid=702559A0EB831D22D818651C92414699.node1?selectedUnitId=84338&selectedUnitSeqNo=5&studentId=24801394274&courseId=501653&subcourseId=1954

Answer 23

oh my gd sangya saved my life yay

Answer 24

You solved it. Congrats

Answer 25

Airplane A takes off and ascends at a rate of 3000 ft/min. At the same time, Airplane B, which is flying at 30,000 ft, begins to descend at a rate of 2500 ft/min.

Let h represent the height off the ground in feet, and let t represent time in minutes.

Which system models this situation?