Problem 1
40=20% of what number?
20×5=100
40×5=200
200
Problem 2
8 1/2% of $500.00=___
81/2% x $500.00=___
10% = 50
1% = 5
.5% = 2.5
50
05
-2.5
——–
$42.50
Problem 3
18=__% of 150
18=__% x 150
18 Y
—– X ——
150 100
18×100=1800
1800/150 is
0012
150|1800
150
300
300
000
12%
Story Problem For 1st Problem
Konrad went to the store and he saw that there were 40 plates on the shelf. Konrad decided that his friend Harvey would know how many plates that they needed. Harvey, the smart one told him that they needed 20% of what was on the shelf. How many plates does Konrad have to take?
Story Problem For 2nd Problem
Konrad went to the Ice Cream store and he had $500 to spend. Unrealistically, he only wanted to spend 8 1/2%. Realistically, Konrad wasn’t sure how much he should spend. How much do you think he should spend?
Story Problem For 3rd Problem
Konrad has met 18 really good soccer players, there are only 150 good soccer players in the world. What percent of the good soccer players has Konrad met?