yovann
16.10.2020 •
Mathematics
What makes the equasion ture
16=blank*4 pls answer fast
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Ответ:
4 times 4= 16 so 4 i guess
Step-by-step explanation:
Ответ:
Step-by-step explanation:
Let number of songs are played in a commercial be a
number of songs are played in a movie be b
Adrian earned a total of $1010 -> a*40 + b*130 = 1010 (1)
14 commercials and movies -> a+b = 14 (2)
(1) - (2)*40 = a*40 + b*130 - a*40 -b*40 = 1010 -14*40
-> b*90 = 450
-> b = 5
-> a = 14-5 = 9