the ratio of adults to children attending a new exhibit at the museum was found to be 8:5. based on this ratio if 390 people att
1 answer:
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Answer:
Step-by-step explanation:
You have the equation .
Then, to solve for the variable from the equation you need:
Make the subtraction of the right side of the equation:
(As the denominators are 1 and , the least common denominator is
)
Multiply to both sides:
Add to both sides:
And finally divide both sides by :
Check the picture below, you can pretty much count the units off the grid for the length and width.
recall area = length * width.
recall area = length * width.
Answer: The second option (160 cm)
Step-by-step explanation:
1. You can obtain the perimeter of a quadrilateral by adding the lenghts of the sides.
2. You know that the ratio of the side lengths is 3:3:5:8 and the perimeter is 380 centimeters.
3. Therefore, you can write the following expression, where x is an integer:
4. Solve for x:
5. Therefore, the longest side is:
(160 cm)