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30.01.2020 •
Mathematics
The number of calories in a piece of pie is 20 less than three times the number of calories in a scoop of ice cream. the pie and ice cream together have 500 calories. how many calories are in each?
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Ответ:
130 calories in the ice cream and 500 calories in the pie.
Step-by-step explanation:
Let the amount of calories in the scoop of ice cream be x. the amount of calories in the piece of pie be 3x-20. we know that x+3x-20=500.
4x-20=500
If we add twenty to both sides, we end up with:
4x=520
Divide both sides by four, and you get x=130.
there are 130 calories in the scoop of ice cream and 130*4-20=500 calories in the pie.
Ответ:
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Step-by-step explanation: