Beads Ratio 8D600B
1. **Problem statement:** The ratio of Mary's beads to Jane's beads is 4 : 7. The ratio of Jane's beads to Pauline's beads is 5 : 2. Mary has 6 more beads than Pauline. We need to find how many beads Jane has.
2. **Step 1: Express the ratios with variables.**
Let Mary's beads = $4x$, Jane's beads = $7x$ (from the first ratio).
From the second ratio, Jane's beads = $5y$, Pauline's beads = $2y$.
3. **Step 2: Equate Jane's beads from both ratios.**
Since Jane's beads are the same, set $7x = 5y$.
4. **Step 3: Express $y$ in terms of $x$.**
$$y = \frac{7x}{5}$$
5. **Step 4: Write Mary's and Pauline's beads in terms of $x$.**
Mary's beads = $4x$
Pauline's beads = $2y = 2 \times \frac{7x}{5} = \frac{14x}{5}$
6. **Step 5: Use the condition that Mary has 6 more beads than Pauline.**
$$4x - \frac{14x}{5} = 6$$
7. **Step 6: Solve for $x$.**
$$\frac{20x}{5} - \frac{14x}{5} = 6$$
$$\frac{6x}{5} = 6$$
$$6x = 30$$
$$x = 5$$
8. **Step 7: Find Jane's beads.**
Jane's beads = $7x = 7 \times 5 = 35$
**Final answer:** Jane has 35 beads.