You make a large bowl of salad to share with your friends. Your brother eats one third of it before they come over
Oh no! My brother must be hungry. Well, even though my brother ate one-third of the salad, there should still be some left for my friends. Luckily, I made a large bowl, so there should be plenty to share. I'll just have to adjust the portions accordingly when they arrive.
If your brother eats one third of the salad before your friends come over, here's how you can calculate the remaining amount step-by-step:
1. Determine the initial size of the salad: Let's say you had a large bowl of salad, which we'll represent as "X" units.
2. Calculate the amount your brother ate: Since he ate one third of the salad, you can calculate it as (1/3) * X.
3. Find the remaining amount of salad: Subtract the amount your brother ate from the initial size of the salad to find the remaining amount. This can be calculated as X - (1/3) * X.
4. Simplify the expression: You can simplify the last equation by multiplying the fractions: X - (1/3) * X = (3/3) * X - (1/3) * X.
5. Combine like terms: By combining the fractions, you have (3/3 - 1/3) * X, which simplifies to (2/3) * X.
Therefore, your friends will have (2/3) of the original size of the salad after your brother eats one third of it.
To determine the amount of salad remaining after your brother eats one third of it, follow these steps:
1. Calculate one-third of the salad: Divide the original amount of salad by 3.
For example, if you made a large bowl of salad weighing 900 grams, one-third of it would be 900 grams รท 3 = 300 grams.
2. Subtract the calculated amount from the original amount: Subtract the result from step 1 from the original amount of salad.
Using the example above, if your brother ate 300 grams, subtract 300 grams from the original 900 grams, which leaves 600 grams of salad remaining.
Therefore, after your brother eats one third of the salad, you would have 600 grams of salad left to share with your friends.