Please help with numbers 2-5. thank you
1 answer:
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There are 13 green marbles in the bag.
Step-by-step explanation:
Total marbles = 18
Let,
Green marbles = x
Blue marbles = y
According to given statement;
The number of green marbles is 2 less than 3 times the number of blue marbles.
x = 3y-2 Eqn 1
x+y=18 Eqn 2
Putting value of x from Eqn 1 in Eqn 2;
Dividing both sides by 4
Putting y=5 in Eqn 1
There are 13 green marbles in the bag.
Keywords: linear equation, substitution method
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