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### Problem 1:
#### 1. Calculate 1% of 1000:
# Explanation:
## Step1: Recall 1% as decimal
1% is $0.01$.
## Step2: Multiply by 1000
$0.01	imes1000 = 10$.
# Answer: 10

#### a) 3% of 1000:
# Explanation:
## Step1: 3% is 3×1%
3% = $3	imes1\%$.
## Step2: Use 1% of 1000 = 10
$3	imes10 = 30$.
# Answer: 30

#### b) 7% of 1000:
# Explanation:
## Step1: 7% is 7×1%
7% = $7	imes1\%$.
## Step2: Use 1% of 1000 = 10
$7	imes10 = 70$.
# Answer: 70

#### c) 15% of 1000:
# Explanation:
## Step1: 15% is 15×1%
15% = $15	imes1\%$.
## Step2: Use 1% of 1000 = 10
$15	imes10 = 150$.
# Answer: 150

#### d) 50% of 1000:
# Explanation:
## Step1: 50% is 50×1%
50% = $50	imes1\%$.
## Step2: Use 1% of 1000 = 10
$50	imes10 = 500$.
# Answer: 500

### Problem 2:
#### 1. Calculate 1% of 300:
# Explanation:
## Step1: Recall 1% as decimal
1% is $0.01$.
## Step2: Multiply by 300
$0.01	imes300 = 3$.
# Answer: 3

#### a) 3% of 300:
# Explanation:
## Step1: 3% is 3×1%
3% = $3	imes1\%$.
## Step2: Use 1% of 300 = 3
$3	imes3 = 9$.
# Answer: 9

#### b) 7% of 300:
# Explanation:
## Step1: 7% is 7×1%
7% = $7	imes1\%$.
## Step2: Use 1% of 300 = 3
$7	imes3 = 21$.
# Answer: 21

#### c) 15% of 300:
# Explanation:
## Step1: 15% is 15×1%
15% = $15	imes1\%$.
## Step2: Use 1% of 300 = 3
$15	imes3 = 45$.
# Answer: 45

#### d) 50% of 300:
# Explanation:
## Step1: 50% is 50×1%
50% = $50	imes1\%$.
## Step2: Use 1% of 300 = 3
$50	imes3 = 150$.
# Answer: 150

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QUESTION IMAGE

Question

Explanation:

Problem 1:

1. Calculate 1% of 1000:

Step1: Recall 1% as decimal

Step2: Multiply by 1000

Step1: 3% is 3×1%

Step2: Use 1% of 1000 = 10

Step1: 7% is 7×1%

Step2: Use 1% of 1000 = 10

Answer:

a) 3% of 1000: