7) Kelvin bought 457 stalks of roses. He bought 150 fewer stalks of roses than orchids. How many stalks of orchids did he buy?
8）Jane has 450 marbles. She collects 239 more marbles than Kevin. How many marbles does Kevin collect?
9) Micky sells 560 of chicken satay sticks today. He sells 160 fewer chicken satay sticks than mutton sticks. How many mutton sticks does he sell?
10) There are 460 women in the Dance Club. There are
238 more men than women in the Dance Club. How many people are there in the club?
