Aiden put two-fifths of his Money into his piggy bank. He had $15 left in his pocket to buy a toy. How much money did aiden have before he put some into his bank?

$37.50

Step-by-step explanation:

of Aiden's money is $15. Half of is , so you have to find half of $15 to find out what of Aiden's money is.

15/2 = 7.5. of Aiden's money is $7.50.

7.5 × 5 = 37.5, so Aiden had $37.50 before he put some into his piggy bank.

answer: the common difference is -0.10

i think it is 70

step-by-step explanation: