If you need .75 or 3/4 cups of strawberries to make a smoothie and you need to find how many smoothies you can make with 3 cups of strawberries you do 3 divided by .75 or 3/4 which equals 4, so you can make 4 smoothies with 3 cups of strawberries.
16. i’m pretty sure cause the ratio would be 42/24 28/x if you divide PQ by LM, the answer is the same number you would use to divide LM to get MN and finish your ratios