Answer :
These items have become less expensive to buy than they were last year.
How to compare the prices of the items through the exchange rate
The constant price of the supplies of the area called Nearland = 15NRD
The cost of this prices using the currency to the dollar is
Last year = (15 NRDN / 3 NRD) * $
= $5
This year the rate is = (15 NRD / 5 NRD) * $
= $3
Hence we can see that it was 5 dollars last year, but this year it is 3 dollars. The conclusion is that it has become less expensive.
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This is the correct question
You buy certain supplies in Nearland. Last year, the currency exchange rate was 1 USD = 3 NRD. Are these supplies more or less expensive to buy now than last year? Explain your answer in complete sentences
Techtopia
(Techtopian dollar, or TPA) 1 USD = 1 TPA
Crosswater
(Crosswatering dollar, or CSW) 1 USD = 20 CSW
Nearland
(Nearlandian dollar, or NRD) 1 USD = 5 NRD