Nicholasram6005
23.11.2019 •
Mathematics
Abag contains white marbles and red marbles, 20 in total. the number of white
marbles is 5 more than 2 times the number of red marbles. how many white marbles
are there?
white marbles
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Ответ:
Let x = number of white marbles and y = number of yellow marbles.
x + y = 57 => x = 57 - y
Also, x = 3 + 5y
Substitute x for y.
57 - y = 3 + 5y => 57 - 3 = 54 = 6y
So, y = 9
Since x (our answer) = 3 + 5 (9),
x = 48.
Check: 48 + 9 = 57 total
Ответ:
57`
Step-by-step explanation:
Both angels are equal
MPO= HPG