Hannah has a jar filled with 150 coins made up of quarters and nickels. The total value of the coins is $28.30.

If x represents the number of quarters in the jar, which equation can be used to find the number of quarters?
@Alyx_da_Boss help

Question

Hannah has a jar filled with 150 coins made up of quarters and nickels. The total value of the coins is $28.30.
 
If x represents the number of quarters in the jar, which equation can be used to find the number of quarters?
@Alyx_da_Boss help

bakonloverk · Answer

28.30 - 25x = 150

i think but im not sure

anonymous · Answer

x+y=150
.25x+.05y=28.30

Solve the first for y, and then substitute into the second:

y=150-x

.25x-.05(150-x)=28.30

I'll let you do the rest yourself, but x will eventually be 104

anonymous · Answer

thanks