Question
Emma has some erasers. She has 9 less erasers in Packet T than in Packet U. After 21 erasers were transferred from Packet U to Packet T, there were 66 erasers in Packet U.
  1. How many erasers were there in Packet U at first?
  2. How many erasers were there in Packet T in the end?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Emma has some erasers. She has 9 less erasers in Packet T than in Packet U. After 21 erasers were transferred from Packet U to Packet T, there were 66 erasers in Packet U.
  1. How many erasers were there in Packet U at first?
  2. How many erasers were there in Packet T in the end?