Tim's bank contains quarters, dimes, and nickles. He has three more dimes than quarters and 6 fewer nickles then quarters. If tim has 63 coins write and solve an equation to find how many quarters tim has

Question

anonymous · Answer

d+q+n=63
3q+q+(q-6)=63
solve for q

karatechopper · Answer

how can that be 3q we r talking dimes and quarters should tht not be a 3d?

anonymous · Answer

sorry

d is dime
q is quarters
and n is nickles

(3+q)+q+(q-6)=63
q+q+q=66
3q=66
q=33

karatechopper · Answer

what about the 3 and 6?

karatechopper · Answer

wouldn't it be 9 + 3q?

anonymous · Answer

which 3 and 6

karatechopper · Answer

3 for more dimes and 6 for nickles

anonymous · Answer

no it is -6 so it is 3-6 which is -3

karatechopper · Answer

so -3q=63?

anonymous · Answer

no so you have 

3+q+q+q-6=63
3q-3=63
3q=63+3
3q=66
q=33

karatechopper · Answer

it actually 22 not 33

anonymous · Answer

yeah sorry

karatechopper · Answer

ok medal and fan 4 u then!

anonymous · Answer

Solve the following equations for d,n and q:$$\{d=q+3,n=q-6,q+n+d=63\}$$$$\{q=22,n=16,d=25\}  $$