Jeriel finds some nickels and quarters in his piggy bank. How many coins does he have if he has 9 nickels and 11 quarters? How many coins does he have if he has xx nickels and yy quarters?

Answer
Attempt 1 out of 2

Total coins, 9 nickels and 11 quarters:

Total coins, xx nickels and yy quarters:

Total coins, 9 nickels and 11 quarters: 9 + 11 = 20 coins

Total coins, xx nickels and yy quarters: xx + yy = xx + yy coins