Robert finds some nickels and pennies in his change purse. How many coins does he have if he has 110 nickels and 130 pennies? How many coins does he have if he has nn nickels and pp pennies?
Answer
Attempt 1 out of 2
Total coins, 110 nickels and 130 pennies:
Total coins, nn nickels and pp pennies:
Total coins, 110 nickels and 130 pennies: 240 coins.
Total coins, nn nickels and pp pennies: nn + pp coins.