What's the sum of 25 and its opposite?

0

Step-by-step explanation:

25+(-25)=zero

2 batches

Step-by-step explanation:

1. State the given;

Convert to improper fractions;

1 1/4 blackberries

5/4 blackberries

Simplify;

Twice as many blueberries;

5/4 *2

10/4

5/2

2. Find the total amount of berries;

Simplify;

blackberries + blueberries

= 5/4 + 5/2

*note; convert to like denominators

= 5/4 + 10/4

= 15/4

3. Divide by the amount that the recipe calls for;

Total / required

15/4 / 3/4

*note; dividing by a fraction is the same as multiplying by the fraction's reciprocal

15/4 * 3/4

45/16

*note; convert to a mixed number

2 13/16

Remember, for the sake of the problem, one can only make a full recipe, hence the answer is 2.