Zach has $8.15 in his pocket. The money is in quarters and dimes. There are a total of 53 coins. How many quarters and dimes does Zach have in his pocket?

34 dimes

19 quarters

Step-by-step explanation:

815=25x+10y

-1325=-25x+-25y

-510=-15y

510=15y

510÷15=y

34=y

53-34=x

19=x

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

answer: approximately 206 bones

i hope this u out a branlist and a would be greatly appreciated :