An example of 8 coins to make $ 1.00 would be: 3 Quarters .75 5 Nickels .25 .75 + .25 = $ 1.00
To make 75 cents out of 10 coins, you need 6 dimes and 3 nickels.
75%
Quarters
10 x 10c coins
An example of 8 coins to make $ 1.00 would be: 3 Quarters .75 5 Nickels .25 .75 + .25 = $ 1.00
3 quarters 3 nickels and 10 pennies 25X3=75 5X3=15 1X10=10 75+15+10=100
To make 75 cents out of 10 coins, you need 6 dimes and 3 nickels.
75%
3 quarters is 75 cents. Now add 5 nickels which is 25 cents. The total is 75+35 which is one dollar as desired.This could be done with algebra also, but sometimes it is easier to do it by trial and error.
20 5 cents coins
From 1971 to date. The coins are 75% copper & 25% nickel.
Not in the US.
5*20 cents (Australian) make a dollar. In US and Canadian coins, a 50 cent piece, a quarter, two dimes, and a nickel also make a dollar.
Quarters
5 dimes and 10 nickels make 1 dollar.
10 x 10c coins