To find this answer, we need to multiply 3.57 by 12.
Therefore, 12 planks will cost $42.84.
Answer:
The least number of stamps required is
Step-by-step explanation:
Let the number of cent stamps be and cent stamps be
We have
The minimum number is obtained when more cent stamps are used
Here cannot be greater than since
Substitute
Not possible since is not a fraction
Substitute
Not possible since is not a fraction
Substitute
Possible
Hence minimum number of stamps is
12 toys. Dividing 15 by 60 equals 4 so 4 tots in a hour. Then multiple the 4 toys an hour by 3 hours.
Answer:
20%
Step-by-step explanation:
Subtract the original number from the new number: 90-75=15
The increase is 15
Now divide the increase by the original number: 15/75=.20
Then multiply your answer by 100: .20x100=20
A. The student added before multiplying.
If they had multiplied 6 and 4 first, the next step would have been too divide. But since they added first, they got 36/24 or 3/2 when the answer should be 13.