Make an X with 5 pennies. Put hte 6th pennies on top of the center penny.
You can't
Put a small pentagon inside a larger pentagon...
2 quarters, 4 dimes and 3 pennies.2 quarters, 4 dimes and 3 pennies.2 quarters, 4 dimes and 3 pennies.2 quarters, 4 dimes and 3 pennies.
1 quarter and 4 pennies is the best but there is also 29 pennies, 5 nickels and 4 pennies, 2 dimes a nickel and 4 pennies, 2 dimes and 9 pennies, 1 dime and 19 pennies, 1 dime 2 nickels and 9 pennies, 1 dime 1 nickel and 14 pennies, etc
2 dimeand 2 pennies
You can't
5 pennies in 3 rows, with a remainder of 4
Put a small pentagon inside a larger pentagon...
2 quarters, 4 dimes and 3 pennies.2 quarters, 4 dimes and 3 pennies.2 quarters, 4 dimes and 3 pennies.2 quarters, 4 dimes and 3 pennies.
1 quarter and 4 pennies is the best but there is also 29 pennies, 5 nickels and 4 pennies, 2 dimes a nickel and 4 pennies, 2 dimes and 9 pennies, 1 dime and 19 pennies, 1 dime 2 nickels and 9 pennies, 1 dime 1 nickel and 14 pennies, etc
2 dimeand 2 pennies
26 shells, 3 rows -> 5 per row with 1 remaining 19 pennies, 5 rows -> 3 per row with 4 remaining 17 balloons, 7 rows -> 2 per row with 3 remaining
Put three down to form a triangle, and the fourth in the middle. Your three rows of two are therefore three lines going from the central coin, to each corner coin.
You can have 34 pennies, 6 nickels and 4 pennies, 5 nickels and 9 pennies, 4 nickles and 14 pennies, 3 nickles and 19 pennies, 2 nickles and 24 pennies, 1 nickel and 29 pennies, 1 quarter and 9 pennies, 1 quarter 1 nickel and 4 pennies, 3 dimes and 4 pennies, 2 dimes and 14 pennies, 1 dime and 24 pennies, 1 dime and 1 nickel and 19 epnnies, 1 dime and 2 nickles and 14 pennies, 1 dime and 3 nickels and 9 pennies, 1 dime and 4 nickles and 4 pennies, 2 dimes and 1 nickel and 9 pennies, 2 dimes and 2 nickels and 4 pennies. I am pretty sure that is all the combinations, I could be mistaken, if so I am sorry because of the repetitive nature I might have missed one.
Draw a star and put a penny on every corner.
50 pennies45 pennies, 1 nickel40 pennies, 2 nickels40 pennies, 1 dime35 pennies, 3 nickels35 pennies, 1 nickel, 1 dime30 pennies, 4 nickels30 pennies, 2 nickels, 1 dime30 pennies, 2 dimes25 pennies, 5 nickels25 pennies, 3 nickels, 1 dime25 pennies, 1 nickel, 2 dimes25 pennies, 1 quarter20 pennies, 6 nickels20 pennies, 4 nickels, 1 dime20 pennies, 2 nickels, 2 dimes20 pennies, 1 nickel, 1 quarter15 pennies, 7 nickels15 pennies, 5 nickels, 1 dime15 pennies, 3 nickels, 2 dimes15 pennies, 2 nickels, 1 quarter15 pennies, 1 nickel, 3 dimes10 pennies, 8 nickels10 pennies, 6 nickels, 1 dime10 pennies, 4 nickels, 2 dimes10 pennies, 3 nickels, 1 quarter10 pennies, 2 nickels, 3 dimes10 pennies, 1 nickel, 1 dime, 1 quarter10 pennies, 4 dimes5 pennies, 9 nickels5 pennies, 7 nickels, 1 dime5 pennies, 5 nickels, 2 dimes5 pennies, 4 nickels, 1 quarter5 pennies, 3 nickels, 3 dimes5 pennies, 2 nickels, 1 dime, 1 quarter5 pennies, 1 nickel, 4 dimes5 pennies, 2 dimes, 1 quarter10 nickels8 nickels, 1 dime6 nickels, 2 dimes5 nickels, 1 quarter4 nickels, 3 dimes3 nickels, 1 dime, 1 quarter2 nickels, 4 dimes1 nickel, 2 dimes, 1 quarter5 dimes2 quarters1 half dollar
I believe there are 13 ways 1 - 1(quarter) + 2(pennies) 2 - 2(dimes) + 1(nickel) + 2(pennies) 3 - 2(dimes) + 7(pennies) 4 - 1(dime) + 3(nickels) + 2(pennies) 5 - 1(dime) + 2(nickel) + 7(pennies) 6 - 1(dime) + 1(nickel) + 12(pennies) 7 - 1(dime) + 17(pennies) 8 - 5(nickels) + 2(pennies) 9 - 4(nickels) + 7(pennies) 10 - 3(nickels) + 12(pennies) 11 - 2(nickels) + 17(pennies) 12 - 1(nickel) + 22(pennies) 13 - 27(pennies)