The cost of a dinner is divided equally among 12 diners.Each diner pays $12.50 for his or her portion. what was the cost of the
dinner?
2 answers:
$150
Answer: $150
Step-by-step explanation:
We can simplify 12.50 to 12.5, because the zero is behind the decimal point, and has nothing after it.
We multiply 12.5 (the cost of each portion) by 12 (the amount of portions) to get the total cost. If you are allowed to use a calculator you can just plug in the numbers, as so:
12.5 x 12 = 150
If not, and you need to show work, It'll look like the image I attached.
If you're unsure, you can use division to check your answer.
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Answer:
12
Step-by-step explanation:
Given: Diagonal of square=
To find the perimeter of square, we need to find the length of sides of square.
∴ Using the formula of diagonal to find side of square.
Formula;
Where, s is side of square.
⇒
Dividing both side by √2
⇒
∴
Hence, Length of side of square is 3.
Now, finding the perimeter of square.
Formula;
⇒
∴
Hence, Perimeter of square is 12.