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fanofhope31
05.05.2020 •
Mathematics
20% of the jedi’s lightsabers are defective. if they make 20,000 of them per year, how many are defective? pls answer asap
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Ответ:
4000 lightsabers a year are defective
Step-by-step explanation:
20%×20000
.2×20000
=4000
Ответ:
then they will be 1000 lightsabers effected
Step-by-step explanation:
Ответ:
Step-by-step explanation:
Let aron's variable be = a
Let davids variable be( 6 less tan 3 times aron) = 3×a-6
Thier sum is =214
So,
3×a-6 + a = 214
3a -6 +a = 214
(transpose)
3a + a = 214 + 6
4a = 220
a = 220/4
a= 55
Thus,aron's score is = 55
And davids score is (3×a-6) = 3×55-6 = 159
Checking,
Aron score + david score = 214
55 + 159 = 214
SO, ITS CORRECT
HOPE IT HELPS :)