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summerhumphries3
25.07.2019 •
Mathematics
The total cost of a shirt and a tie was $75.62. if the price of the shirt was $4.02 less than the tie, what was the price of the shirt? express your answer as a simplified fraction or a decimal rounded to two places.
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Ответ:
Let the tie be x
Tie = x
Shirt = x - 4.02
Construct equation :
The sum of the shirt and tie is $75.62
x + x -4.02 = 75.62
2x - 4.02 = 75.62
2x = 79.64
x = $39.82
Find the cost of tie and shirt :
Tie = x = $39.82
Shirt = x - $4.02 = $39.82 - $4.02 = $35.80
The price of the short is $35.80
Ответ:
591.5 because the tenth place is after the . and the number after it is what you use to round it if it larger then 5 the number in the tenth place goes up one and if it's under 5 it stays the same