The exchange rate between non-fixed currencies continuously fluctuates. the table below shows the exchange rate of the us dollar to the euro over the course of six days. day $: € monday 1: 0.7102 tuesday 1: 0.7053 wednesday 1: 0.6869 thursday 1: 0.6910 friday 1: 0.7273 saturday 1: 0.7544 if rodney traded €228.75 for $314.52, when did he make his exchange? a. saturday b. friday c. thursday d. tuesday

Friday

Solution:

Rodney traded €228.75 for $314.52

To find out the day when Rodney exchanged the money, we can calculate the exchange rate offered on various days and the rate received by Rodney.

Thus, the exchange rate he got $:€

=1.3749

Exchange rate for Saturday 1:0.7544 = 1.3255

Exchange rate for Friday 1:0.7273 = 1.3749

Exchange rate for Thursday 1:0.6910 = 1.4472

Exchange rate for Tuesday 1:0.7053 = 1.4178

Thus, Rodney exchanged the currencies on Friday as the exchange rate offered for Friday and the exchange rate received by Rodney is the same.

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step-by-step explanation:

the answer

b. they are parallel and will never intersect.