if an adult gets 50cc plus 850 water eaquling 900. what is the ration for a child when the final # is 40 . what amount cc, to water?

To find the ratio for a child when the final number is 40, we need to determine the amount of cc (cubic centimeters) and water in the ratio. Let's break down the problem step by step:

Step 1: Analyze the given information.
The adult has a ratio of 50cc to 850 water, equating to a total of 900.
Adult ratio: 50cc : 850 water

Step 2: Calculate the simplified ratio for the adult.
The ratio of 50cc to 850 water can be simplified by dividing both values by 50, resulting in:
Adult ratio (simplified): 1cc : 17 water

Step 3: Determine the ratio for the child.
Since we know the final number of the ratio for the child is 40, we need to calculate the corresponding amounts of cc and water based on the simplified adult ratio.

To find the amount of cc for the child:
The ratio of 1cc to 17 water is equivalent to 18 parts (1cc + 17 water).
We need to split these 18 parts into 40 parts, so we divide both values by 18 and multiply by 40:
cc for the child = (1/18) * 40 = 2.22 cc (rounded to two decimal places)

To find the amount of water for the child:
water for the child = (17/18) * 40 = 37.78 water (rounded to two decimal places)

Step 4: Determine the final ratio for the child.
The final ratio for the child is 2.22 cc to 37.78 water, which can be approximated as:
Child ratio: 2.22 cc : 37.78 water (rounded to two decimal places)

Therefore, the ratio for the child, when the final number is 40, is approximately 2.22 cc to 37.78 water.