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vava19
08.07.2019 •
Mathematics
Ben and jerry’s sells 2 times more ice cream cones ($2) than shakes ($9). if last month’s sales totaled $3,900, how many of each were sold?
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Ответ:
Given
Ben and jerry’s sells 2 times more ice cream cones ($2) than shakes ($9)
last month’s sales totaled $3,900
Find out how many of each were sold.
To proof
Let us assume the number of shakes sold be x
as given in the question
they sell 2 times more ice cream cones than shakes
than the number of ice cream sold = 2x
sales totaled = $3,900
shakes cost = $9
ice cream cost = $2
FORMULA
value of the ice cream cones + value of the shakes = total cost
2x (2) + x(9) = 3900
4x + 9x = 3900
13x = 3900
x = 300
The number of shakes sold be 300
The number of ice cream cone sold be 600
Hence proved
Ответ:
thank you for the points