1. Example A: Mr. Jordan wins $3,570,000 in a lottery
Example A: Mr. Jordan wins $3,570,000 in a lottery. He has to pay 40% in taxes. How much in taxes does he have to pay?

2. Example B: Mr. Jordan has $100. He has to pay 40% in taxes
Example B: Mr. Jordan has $100. He has to pay 40% in taxes. How much in taxes does he have to pay?
40 100
60 100
40 % =
60 % =

3. Example C: Mr. Jordan has $70. He has to pay 40% in taxes
Example C: Mr. Jordan has $70. He has to pay 40% in taxes. How much in taxes does he have to pay?
0.40 40
40 % 𝑜𝑓 70
100 ∙ ∙ 70 70 𝑥 ?
40 100 70 =
70 1 = = 28
40 70
2800 =
100 𝑥
100𝑥
100
100 = 28 𝑥 = 28
7 0 ×
0 4 . 28 2 8 .

4. Example C: Mr. Jordan has $70. He has to pay 40% in taxes
Example C: Mr. Jordan has $70. He has to pay 40% in taxes. How much in taxes does he have to pay? 40
0.40
40 % 𝑜𝑓 70
100 ∙ ∙ 70 70
40 100
2 5 70 𝑥 =
2 5
70 1
140 5 = = 28
2 70
140 =
5 𝑥 5𝑥 5 5 = 28 𝑥 28 =
7 0 ×
0 4 . 28 2 8 .

5. Example A: Mr. Jordan wins $3,570,000 in a lottery
Example A: Mr. Jordan wins $3,570,000 in a lottery. He has to pay 40% in taxes. How much in taxes does he have to pay? 𝑥
40 100
2 5 ? 40
40 % 𝑜𝑓
100 ∙ = = =
5 𝑥 5𝑥 5 5 = 𝑥 = 2 2
0.40
40 % 𝑜𝑓 ∙ ×
0 4 . 1 4 2 8 . =

6. = 100𝑥 = 𝑥 Example D: Find 65% of 188 65 % 𝑜𝑓 188 65 % 𝑜𝑓 188 65 100 ∙
65 % 𝑜𝑓 188
65 % 𝑜𝑓 188 65
100 ∙
188 𝑥
65 100
188 ?
188 1 = = =
122.2
12220 =
100 𝑥
100𝑥
100
100
2∙2∙5∙13∙47 2∙2∙5∙5
611 5 = 𝑥 = = =
122.2
122.2 5 4 4 4
0.65
65 % 𝑜𝑓 188 ∙
188
1 8 8 ×
0 6 5 . 1 1 9 4 + = 1 1 2 8 ∎
122.2 1 2 2 . 2

7. = 20𝑥 = 𝑥 Example D: Find 65% of 188 65 % 𝑜𝑓 188 65 65 % 𝑜𝑓 188 100 ∙
65 % 𝑜𝑓 188 65
65 % 𝑜𝑓 188
100 ∙
188 𝑥
65 100
188
13 20
13 20
188 1 = = =
122.2
2444 =
20 𝑥
20𝑥 20 20
2∙2∙13∙47 2∙2∙5
611 5 = 𝑥 = = =
122.2
122.2 5 4 4 4
0.65
65 % 𝑜𝑓 188 ∙
188
1 8 8 ×
0 6 5 . 1 1 9 4 + = 1 1 2 8 ∎
122.2 1 2 2 . 2

8. Example E: Find 14% of 84
Example F: Find % of 60

9. = 100𝑥 = 𝑥 Example E: Find 14% of 84 14 % 𝑜𝑓 84 14 14 % 𝑜𝑓 84 100 ∙ 84
14 % 𝑜𝑓 84 14
14 % 𝑜𝑓 84
100 ∙ 84 𝑥
14 100 84 ?
84 1 = = =
11.76
14 84
1176 =
100 𝑥
100𝑥
100
100 =
11.76
11.76 𝑥 5 3
0.14
14 % 𝑜𝑓 84 ∙ 84 1
8 4 ×
0 1 4 . = 3 3 6 + 8 4 ∎
11.76 1 1 . 7 6

10. 50𝑥 = = 𝑥 Example E: Find 14% of 84 14 % 𝑜𝑓 84 14 % 𝑜𝑓 84 14 100 ∙ 84
14 % 𝑜𝑓 84
14 % 𝑜𝑓 84 14
100 ∙ 84
14 100 84 𝑥
7 50
7 50
84 1
588 50 = = =
11.76
7 84
588 =
50𝑥
50 𝑥 50 50 =
11.76
11.76 𝑥 5 3
0.14
14 % 𝑜𝑓 84 ∙ 84 1
8 4 ×
0 1 4 . = 3 3 6 + 8 4 ∎
11.76 1 1 . 7 6

11. = 100𝑥 = 𝑥 Example F: Find 120% of 60 120 % 𝑜𝑓 60 120 120 % 𝑜𝑓 60 100
120 % 𝑜𝑓 60
120
120 % 𝑜𝑓 60
100 ∙ 60 𝑥 60 ?
60 1 = = = 72
7200 =
100 𝑥
100𝑥
100
100 = 72 72 𝑥
1.20
120 % 𝑜𝑓 60 ∙ 60 1
1 2 0 . ×
6 0 = + 7 2 ∎ 72 7 2 .