Question
season Levala scored 6 more goals than Mary. Use ratios to compare the number of goals scored by Mary and Lerato in each of the following situations: a) Lerato scored 42 goals. b) Mary scored 18 goals.
Ask by Reeves Rose. in South Africa
Jan 23,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
- **a) Lerato scored 42 goals:**
**Mary : Lerato = 6 : 7**
- **b) Mary scored 18 goals:**
**Mary : Lerato = 3 : 4**
Solution
To compare the number of goals scored by Mary and Lerato using ratios, let's analyze each situation step-by-step.
### Given:
- **Lerato scored 6 more goals than Mary.**
Mathematically, this can be expressed as:
\[
\text{Lerato's Goals} = \text{Mary's Goals} + 6
\]
### a) **Lerato scored 42 goals.**
1. **Determine Mary's Goals:**
\[
\text{Mary's Goals} = \text{Lerato's Goals} - 6 = 42 - 6 = 36
\]
2. **Form the Ratio (Mary : Lerato):**
\[
36 : 42
\]
3. **Simplify the Ratio:**
- Find the greatest common divisor (GCD) of 36 and 42, which is 6.
- Divide both parts of the ratio by 6:
\[
\frac{36}{6} : \frac{42}{6} = 6 : 7
\]
**Final Ratio:**
\[
\text{Mary} : \text{Lerato} = 6 : 7
\]
### b) **Mary scored 18 goals.**
1. **Determine Lerato's Goals:**
\[
\text{Lerato's Goals} = \text{Mary's Goals} + 6 = 18 + 6 = 24
\]
2. **Form the Ratio (Mary : Lerato):**
\[
18 : 24
\]
3. **Simplify the Ratio:**
- Find the GCD of 18 and 24, which is 6.
- Divide both parts of the ratio by 6:
\[
\frac{18}{6} : \frac{24}{6} = 3 : 4
\]
**Final Ratio:**
\[
\text{Mary} : \text{Lerato} = 3 : 4
\]
### **Summary:**
- **a) Lerato scored 42 goals:**
**Mary : Lerato = 6 : 7**
- **b) Mary scored 18 goals:**
**Mary : Lerato = 3 : 4**
Reviewed and approved by the UpStudy tutoring team
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Bonus Knowledge
If Lerato scored 42 goals, and she scored 6 more than Mary, then Mary scored 42 - 6 = 36 goals. The ratio of their goals would be Mary:Lerato = 36:42, which simplifies to 6:7. In the case where Mary scored 18 goals, we know that Lerato scored 18 + 6 = 24 goals. Thus, the ratio of their goals here would be Mary:Lerato = 18:24, simplifying down to 3:4.