kateferguson9852
04.12.2020 •
Mathematics
The MP3 player Sean wants to buy costs $124. He has saved up one-third of the price. About how much money has Sean saved?
a. $45
b. $30
c. $35
d. $40
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Ответ:
D. $40
Step-by-step explanation:
To find how much he saved, divide the price of the MP3 player by 3:
124/3
= 41.33
This is closest to answer choice D, $40
Ответ:
I'm sorry but the solution you proposed was a bit hard to follow, so I'll just post my solution: we convert "2 and 1/2" to a single fraction:
So, we know that 5/2 gallons cost 60 dollars, which means
To find the cost of a single gallon, we have to solve the equation for g: