Alice has a coin purse containing$5.40 in dimes and quarters. There are 24 coins all together. How many dimes are in the coin purse? Let the number of dimes in the purse=d. The the number of quarters =___-d
10(#of dimes)+25(#of quarters)=
10d+25(___-d)=540
10d+600-25d=540
10d-25d=
=-60
D=
Check
Number of quarters=24-___=___
10(___)+25(___)=540
=
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