Level 3
A tea shop owner bought a sack of tea. He kept 37 of the tea for his mother and gave away some of the leftovers. He gave away 2 45 kg to his friend and 38 of the rest to his neighbour. He saved the remaining 3.5 kg for his own use. How much tea did he have originally?
Level 3
30% of Edward's marbles is equal to 13 of Benjamin's marbles. Together, they have a total of 380 marbles. Find the number of marbles Edward has.