mayhy100
18.07.2019 •
Mathematics
Tony sold 150 donuts in the first six hours in the day it was open. every hour they sold six more donoughts the previous hour how much donuts were sold the first three hours
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Ответ:
(number of terms)²×(common difference) = 3²×6 = 54
Then if x represents the number of donuts sold in the first 3 hours, the total number of donuts sold is
x + (x + 54) = 150
2x = 150 - 54
x = 96/2 = 48
The number of donuts sold in the first three hours is 48.
Ответ:
b
Step-by-step explanation:
CR and DS are perpendiculars dropped from AB to PQ , and AB is perpendicular to CR and DS