Sophia exchanged 1000 U.S. dollars for the South African currency, which is called the rand.
Part A
The exchange rate was 7.15 rand to $1. How many south african rand did sophia get? please explain how you know.
Part B
Sophia spent 6,274 rand on her trip. The exchange rate was 1 rand to $0.14. How many US dollars did Sophia get? please support your answer.
thank you so much!!!
Answer:
A) 7,150 rands south african rand did sophia get.
B) $122.64 US dollars did Sophia get
What is Unitary Method?
The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.
For example, Let’s say Ram spends 36 Rs. for a dozen (12) bananas.
12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.
As a result, one banana costs three rupees. Let’s say we need to calculate the price of 15 bananas.
This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.
Given:
The exchange rate was 7.15 rand to $1.
So, the exchange rate of $1000 in Rands
= 1000×7.15
=7,150 rands.
B) Sophia spent 6,274.
Money left = 7,150-6274
= 876.
Now, exchange rate 1 rand= $0.14
In exchange rate
= 876×0.14
= $122.64
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