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Grandma sent Johnny some money for his birthday. Johnny spent all of it in five stores. In each store, he spent Rs. 1.00 more than half of what he had when he came in. How much money did he get from grandma?

Respuesta :

adioabiola

The amount of money Johnny got from his grandma for his birthday is $30. option D

Equation

Store 5:

If he came in with x

1/2x + 1 = 0

1/2x = -1

x = -1 ÷ 1/2

x = -1 × 2/1

x = -2

This means he went into store 5 with $2

Store 4:

2 + 1

= 3 × 2

= $6

Store 3:

6 + 1

= 7 × 2

= $14

Store 2:

14 + 1

= 15 × 2

= $30

Store 1:

= $30

Therefore, the amount of money Johnny got from his grandma for his birthday is $30

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