Math: How I solve the Problem

Problem #1:  40 = 20% x ?

1.  20 ÷ 40 =
2. 20 ÷ 40 = 200

 

Problem #2:  8.5 x $500.00 = ?

1.  500 x 8.5 =
2. 500 x 8.5 = 42.5

Problem #3: 18 = ?% x 150 ?

1. 150 ÷ 18 =
2. 150 ÷ 18 = 83 . 3%

 

Problem #1:

Addison and Tom go to the pet store, there are 40 pets on display, they ask the employee how many there are but he does not know and on,y says the 40 pets are only 20% of how many they have. How will Addison and Tom figure it out?

Problem #2:

Marie asks her mom how much a laptop is. Her mom says multiply $500.00 by 8.5. How will Marie figure it out?

Problem#3: 

Ally is in math class and the problem on the board is 18 = 8.33% x 150. How will Ally figure it out?