Final answer:
To convert 90 ounces to milliliters, you can set up a proportion: 1 fluid ounce = 29.57 milliliters, x fluid ounces = 90 milliliters. Cross multiply and solve for x. Therefore, there are approximately 2651.3 milliliters in 90 ounces.
Step-by-step explanation:
To convert ounces to milliliters, you need to know the conversion factor between the two units of measurement. There are approximately 29.57 milliliters in 1 fluid ounce. To find out how many milliliters are in 90 ounces, you can set up a proportion:
1 fluid ounce = 29.57 milliliters
x fluid ounces = 90 milliliters
Cross multiply and solve for x:
1 * x = 29.57 * 90
x = 2651.3
Therefore, there are approximately 2651.3 milliliters in 90 ounces.