Question

PLEASE HELP NOW!!!! I WILL METAL AND FAN!!!

Answer 1

here to help!

Answer 2

A container holds a combination of nickels and quarters. There are 156 coins in all, and their total value is $21.60. The system of equations models this situation, where x is the number of nickels and y is the number of quarters.

X+Y=156
0.05X+0.25Y=21.6

How many nickels and quarters are in the container?

A.
118 nickels and 38 quarters

B.
106 nickels and 50 quarters

C.
87 nickels and 69 quarters

D.
72 nickels and 84 quarters

Answer 3

if you multiply the first equation by 0.05

Answer 4

you get 0.05X+0.05Y=7.8

Answer 5

C

Answer 6

If you subtract the second equation by the first, you get...
0.2Y=13.8

Answer 7

Y=69

Answer 8

Plug in y into the first equation and you get

Answer 9

X=87 so yes it is C

Answer 10

87 nickle and 69 quarter??????

Answer 11

OK THANKS what about one more?

Answer 12

Go for it

Answer 13

ok

Answer 14

6x + 4y = 2
3x + 2y = 1

A.
inconsistent

B.
consistent and independent

C.
coincident

D.
not enough information