A bank converts U.S. dollars into European Euros at a rate of $1 for 0.88 euros. Kelsey wants 100 euros for her trip to Europe. How much money, in dollars, does Kelsey need to give the bank?

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Answer 1 · 2018-06-30T14:59:43

See a solution process below:

We can write the following relationship and then solve for #d#:

#d/100 = 1/0.88#

#color(red)(100) xx d/100 = color(red)(100) xx 1/0.88#

#cancel(color(red)(100)) xx d/color(red)(cancel(color(black)(100))) = 100/0.88#

#d = 113.636#

#d = $113.64#

Kelsey will need to give the bank #color(red)($113.64)# to get back 100 Euros.