Question 495533
Write an equation for each statment:
:
I have $9.45 in quarters and dimes in my pocket.
.10d + .25q = 9.45
:
The number of dimes is 18 less than twice the number of quarters.
d = 2q - 18
:
In the 1st equation replace d with (2q-18)
.10(2q-18) + .25q = 9.45
.2q - 1.8 + .25q = 9.45
.2q + .25q = 9.45 + 1.80
.45q = 11.25
q = {{{11.25/.45}}}
q = 25 quarters
:
I know you can find the number of dimes now, check the total in the 1st equation




 How many of each do I have in my pocket?