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29.07.2019 •
Mathematics
Sales: ye has his own business he checks sales receipts three times a day one day his afternoon sales were $50 more than his morning sales and his evening sales were three times this afternoon so if his total sales for the day were $1000 what were his evening service
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Ответ:
This means:
- The afternoon sales are x + 50.
- The evening sales are 3(x + 50) = 3x + 150
Now we can calculate x knowing the total sales:
Total sales = morning + afternoon + evening
1000 = x + x + 50 + 3x + 150
800 = 5x
x = 160
We are asked for evening sales, so let's plug are value for x into the evening expression:
evening = 3x + 150 = 3(160) + 150 = $630
Ответ:
Y=-3/1x+7
Step-by-step explanation:
-3/1 is the slope, which is negative, and 7 is the y intercept ( the value that is marked at the middle of the y-axis).