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hickslily9
26.09.2019 •
Mathematics
Jonathan has a collection of 400 marbles. blue marbles make up 17%, percent of his collection. how many blue marbles does jonathan have?
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Ответ:
percent means parts ou of 100
17%=17/100
'of' means mutiply
17/100 tiems 400=4*17=68
68 blue marbles
Ответ:
17% converted to a decimal is 0.17. 400*0.17 = 68.
Jonathan has 68 blue marbles in his collection.
Hope that helped you!
Ответ:
3x - 8 = -2
3x -8+8 = -2 +8
3x = 6
3x/3 = 6/3
x = 2
s
x - 6
( 2-6)
= -4
that is the value of x -6
= -4