Math Problem

9.12 x 10=

Problem: There were 9.12 marbles in ten bags. How many marbles altogether?

Answer=91.2

$23.45 x 70 =

Problem:There are 70 purses with $23.45 in it. How much money altogether?

Answer=1641.50

50÷10=

Problem: Michael had 50 burgers. He shared them among his 10 friends. How many did each one get?

Answer:5

$2.30 ÷ 10 cents=

Problem: Eric had $2.30 . He wanted to put 10 cents into the bank.? How much money was he left with?

Answer: 2.3