Please help me due in an hour will mark brainliest!!!
1 answer:
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Answer:
114 marbles.
Step-by-step explanation:
Let the number of red marbles be r
Let the number of black marbles be b
<u>Given the following data;</u>
Total number of marbles = 120
Translating the word problem into an algebraic equation, we have;
.......equation 1
........equation 2
Substituting the value of "r" into equation 2, we have;
b = 6 marbles.
To find the number of red marbles;
From equation 1;
Substituting the value of "b" into equation 1, we have;
<em>r = 114 marbles.</em>
<em>Therefore, there are 114 red marbles in the bag. </em>
Answer: 313
Step-by-step explanation:
Let x be the attendance before the drop.
Given: An article reports, "attendance dropped 4% this year, to 300.
Wec can write 4% = 0.04
Then, 4% of x = 0.04x
Now according to the question we have:-
Hence, the the attendance before the drop = 313