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16-03-2018
Mathematics

contestada

Daisy went to an electronics store and paid $78.99 per GPS navigator for five GPS navigators and a flat rate fee for installation for a total of $428.45. Rebecca went to another electronics store and paid $85.49 per GPS navigator for five GPS navigators plus a per GPS navigator installation fee for a total of $464.35. What is the difference in the amounts they paid in installation charges?
A. $3.40
B. $4.40
C. $2.40
D. $5.40

Respuesta :

musiclover10045 musiclover10045

16-03-2018

Daisy:
78.99 x 5 = 394.95
428.45 - 394.95 = 33.50 installation fee

Rebecca:
85.49 x 5 = 427.45
464.35 - 427.45 = 36.90 installation fee

difference : 36.90 - 33.50 = 3.40

Answer is A

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