3 1 A bottle of drink is sold at P4.85. A refund of 25 thebe is offered for returning the empty bottle. (a) Express the refund for an empty bottle as a percentage of the cost of the bottle of drink.
3 1 A bottle of drink is sold at P4.85. A refund of 25 thebe is offered for returning the empty bottle. (a) Express the refund for an empty bottle as a percentage of the cost of the bottle of drink.
Answer: Therefore, the refund for an empty bottle is approximately 5.15% of the cost of the bottle of drink.
Step-by-step explanation: To express the refund for an empty bottle as a percentage of the cost of the bottle of drink, we need to calculate the percentage based on the given values.
The cost of the bottle of drink is P4.85. The refund offered for returning the empty bottle is 25 thebe.
To calculate the refund as a percentage of the cost, we can use the following formula:
Refund percentage
=
(
Refund amount
Cost of the drink
)
×
100
Refund percentage=(
Cost of the drink
Refund amount
)×100
Substituting the values:
Refund percentage
=
(
25
thebe
�
4.85
)
×
100
Refund percentage=(
P4.85
25 thebe
)×100
To make the units consistent, we need to convert thebe to the currency used for the cost of the drink, which is Pula. The exchange rate is not provided, so we cannot perform this conversion accurately without additional information.
If we assume that the exchange rate is 1 Pula = 100 thebe, we can proceed with the calculation:
Refund percentage
=
(
25
thebe
�
4.85
×
(
100
thebe/Pula
)
)
×
100
Refund percentage=(
P4.85×(100 thebe/Pula)
25 thebe
)×100
Refund percentage
=
(
25
4.85
×
100
)
×
100
Refund percentage=(
4.85×100
25
)×100
Refund percentage
≈
5.15
%
Refund percentage≈5.15%
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