Math Problems

1.  40= 20% x What Number

Step 1: 20 x 5= 100

Step 2: 40 x 5=200

Answer: 200

2. 81/2% x $500.00 =

Step 1: $500.00 x .85= 425

Answer=425

3. 18 = what % of 150

Step 1: 18 ÷ 150= 8.031

Answer: 8.031

Story Problem #1: Bob has 40 marbles 20% of the marbles are red . What of the 40 marbles are red.

Story Problem #2: Bob is getting a tv that is $500.00. where he lives the tax is 81/2%. How much will Bob pay with the additional tax.

Story Problem #3: Bob has 150 stamps. Each stamp is 18 cents. How much money is per all of the stamps.