Molly has $45 in her wallet which is 3 times as much money as her brother has which equation to represent this situation where a represents the amount of money molly's bothers has
Let a be the amount of money that Molly's brother has. 3 times as much that amount, can be represented by the expression: 3a. If that is equal to the amount of money that Molly has, which is $45, then:
