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lukeakalucas
18.01.2020 •
Mathematics
Faye pays her family phone bill, and jonathan’s family phone bill with her card and jonathan pays her back. if faye bill is $120.00 dollars more than jonathan’s bill and has 2 more people on her bill than jonathan. the bill was $600.00, how many people does jonathan have on his bill and how much does he owe faye?
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Ответ:
Jonathan has to pay Faye back US$ 240
Jonathan has 4 people on his bill and Faye has 6.
Step-by-step explanation:
1. Let's find out the amount of the phone bills, this way:
Total of the two bills = US$ 600
Faye's bill = US$ 120 more than Jonathan's
Jonathan's bill = x
Solving for x, we can use this equation:
x + x + 120 = 600
2x + 120 = 600
2x = 600 - 120
2x = 480
x = 480/2 = 240
Jonathan has to pay Faye back US$ 240
2. Let's find out the number of people on each bill, this way:
Faye has two people more on her bill than Jonathan
Number of people on Jonathan's bill = x
Number of people on Faye's bill = x + 2
We will use the following equation:
240 * (x + 2) = 360x
240x + 480 = 360x
240x - 360x = -480
-120x = - 480
x = -480/-120
x = 4 ⇒ x + 2 = 6
Jonathan has 4 people on his bill and Faye has 6.
Ответ:
False
Explanation:
It will be more than one.