A bag contains white marbles and green marbles, 59 in total. The number of white marbles is 7 more than 3 times the number of gr

Question

3 years ago

8

een marbles. How many white marbles are there?

1 answer:

11Alexandr11 [23.1K] · Answer 1 · 2022-01-09T10:06:39+03:00

Answer:

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

Step-by-step explanation:

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