Share ₦2.80 in the ratio 4 : 3. If a sum of money is shared between two children in the ratio 2 : 7 and the bigger share amounts to ₦2800.00. What amount was shared?

The ratio is $4:3$.
Total parts $= 4 + 3 = 7$.

The total amount to be shared is ₦2.80.
Value of one part $= \frac{\text{Total amount}}{\text{Total parts}} = \frac{₦2.80}{7}$.

First share $= 4 \times ₦0.40 = ₦1.60$.
Second share $= 3 \times ₦0.40 = ₦1.20$.

The shares are ₦1.60 and ₦1.20.

: If a sum of money is shared between two children in the ratio 2 : 7 and the bigger share amounts to ₦2800.00. What amount was shared?

The ratio is $2:7$. The bigger share corresponds to the larger number in the ratio, which is 7.
The bigger share is ₦2800.00.

Since 7 parts equal ₦2800.00, the value of one part is:

The total number of parts in the ratio is $2 + 7 = 9$.
Total amount shared $= \text{Total parts} \times \text{Value of one part}$.

The total amount shared was ₦3600.00.