-47.15
pennies - 100 nickels - 20 dimes - 10 quarters - 4
He has 165 cents.
You almost scared me with this one, but I'll give it a go. Easy ones first: (1) 3 quarters (2) 7 dimes; 1 nickel (3) 15 nickels Then it gets tricky: (4) 2 quarters, 5 nickels (5) 2, quarters, 2 dimes, 1 nickel (6) 1 more time to convert 1 dime into 2 nickels (7) 1 quarter, 10 nickels (8) 1 quarter, 5 dimes (9-12) 4 more times to convert each dime, but 1, into 2 nickels (13-18) 6 more times to convert each dime, but 1, into 2 nickels. Did I miss any? 18 different ways (thank goodness you didn't include pennies!)
105 dimes
There are 10 dimes in a dollar, so 10 dollars times 10 dimes would equal 100 dimes.
13 nickels and 78 dime
Chen has 8 nickels, 2 dimes, and 6 quarters.
pennies - 100 nickels - 20 dimes - 10 quarters - 4
4 Qs 12 Dimes 20 Nickles
Peggy had three times as many quarters as nickels. She had $1.60 in all. How many nickels and how many quarters did she have?
40 Dimes and 8 Nickles
Letx = number of nickels 7x = number of dimes 7x (.10) + x (.05) = 3.75 .7x + .05x = 3.75 .75x = 3.75 x = 3.75/.75 = 5 nickels 7x = 35 dimes
He has jillian.
5
1 nickel = 5c 1 dime = 10c If 75c were all nickels then there would be 15 nickels. 2 nickels can then be changed for 1 dime and this can be done 7 times so that the final make up is 1 nickel and 7 dimes. There are thus 8 ways of producing 75c using just nickels and dimes.
2 dimes, 15 nickels, 5 pennies
He has 165 cents.