Answer: 1 and 4
Step-by-step explanation: just did it
Answer:
1 and 4
Step-by-step explanation:
because yes
totally doesn't say it
P (not drawing a black marble) = 4/5
P (red marble) = 3/10
The total number of marbles is
5 blue marbles +2 black marbles+ 3 red marbles = 10 marbles
P (not drawing a black marble) =
The marbles that are not black/ total marbles
(blue + red)/ total
(5+3)/10
8/10
4/5
P (red marble) = red marble/ total
= 3/10
what is the topic?
Answer: 1 4/5
3 5/10 - 1 7/10 = 1 8/10
1 8/10 = 1 4/5
The correct option is A. 440
Let a, b and c represents the number of orders from forms A, B and C,
According to the question,
,
From these equations we get,
Substitute the value of b from (1) to (2),
From (1),
Hence, he used 440 forms total,
i.e. OPTION A is correct.