Answer:
A
Step-by-step explanation:
So we have the equation:

To solve for x, subtract 4 from both sides:

The left side cancels. Subtract on the right:

So, the value of x is 3.
And our answer is A.
And we're done!
U divide 330 by 15 and get the quotient then do the same thing to 20 and add the quotients together to solve for x and y
Answer:
c
Step-by-step explanatio answer c
Answer:
12 monkeys and 18 Rabbits were sold
Step-by-step explanation:
Let y represent the number of monkeys
Each stuffed animal was sold at $4
(y + y +6)4= 120
(2y+6)4 = 120
8y + 24= 120
8y= 120 - 24
8y= 96
y= 96/8
y= 12
The number of monkeys is 12
Number of rabbits= 12 + 6
= 18
Hence the number of monkeys sold is 12 and the number of rabbits sold is 18
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The astronomer has to choose 3 star images out of 8.This is a problem of combinations. This can be expressed as 8C3 i.e. combination of 8 objects taken 3 at a time.
This means, if 8 images are nearby the astronomer will have 56 choices <span>
of the three stars.</span>