Mathematics, 24.06.2021 09:40 rafamoreura

Please help Yaritza finds some nickels and pennies in her change purse. How many coins does she have if she has 140 nickels and 130 pennies? How many coins does she have if she has
n
n nickels and
p
p pennies?

Total coins, 140 nickels and 130 pennies: 270
Total coins,
n
n nickels and
p
p pennies:

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Please help Yaritza finds some nickels and pennies in her change purse. How many coins does she hav...