Answer:
-15
Step-by-step explanation:
it's the last number
Answer:
The number of marbles Richard has 24 and John has 6.
Step-by-step explanation:
Richard has four times as many marbles as john.
If Richard have 18 to John they would have the same number.
Now, to find number of marbles each has.
Let the marbles of John be
.
And the marbles of Richard be 
According to question:

<em>Subtracting both sides by
we get:</em>

<em>Dividing both sides by 3 we get:</em>

<u><em>Marbles of John</em></u><em> =
</em>
<u><em>Marbles of Richard</em></u><em> =
</em>
Therefore, the number of marbles Richard has 24 and John has 6.
Answer: 80
Step-by-step explanation: If he is 20% complete, then 20 x 5 is 100. So if we want to get 100%, then we have the multiply. Now he did 16 questions, so we have to multiply 16 five times. 16 x 5
Hoped this helped!
The answer to this problem will be A. Plug in the numbers