Hannah works out 52 ÷ 10 and 4.6 × 100. She checks her answers by working backwards. Work out the answers to these questions. Check your answers by working backwards. a 3.7 × 10 b 0.42 × 1000 c 6.7 ÷ 10 d 460 ÷ 100 plz tell explanation also​

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?