The number of quarters, dimes, and nickels in Peter’s pocket forms a 3:4:5 ratio.Together, Peter has a total $5.60. How many coins does Peter have?
Quarter = 0.25
Dime = 0.10
Nickel = 0.05
In one set of coins
3×0.25 + 4×0.10 + 5×0.05
= 0.75 + 0.4 + 0.25
= 1.4
Let x be the number of sets of coins
1.4x = 5.6
x = 4
4×(3+4+5)
= 48 coins
+328 
