SOLUTION: A marble cost 13p. Emily gave two coins to pay for it. If the coins were of different values,what change did she receive in cents?

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Question 999951: A marble cost 13p. Emily gave two coins to pay for it. If the
coins were of different values,what change did she receive in cents?

Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
possible coins: penny (P), nickel (N), dime (D), quarter (Q), half-dollar (H), dollar (1)

PN: (1 + 5) - 13 = -7 (not possible)
PD: (1 + 10) - 13 = -3 (not possible)
PQ: (1 + 25) - 13 = 13
PH: (1 + 50) - 13 = 38
P1: (1 + 100) - 13 = 88

ND: (5 + 10) - 13 = 2
NQ: (5 + 25) - 13 = 17
NH: (5 + 50) - 13 = 42
H1: (5 + 100) - 13 = 92

DQ: (10 + 25) - 13 = 22
DH: (10 + 50) - 13 = 47
D1: (10 + 100) - 13 = 97

QH: (25 + 50) - 13 = 62
Q1: (25 + 100) - 13 = 112

H1: (50 + 100) - 13 = 137