How are 5:1 and 15:3 equivaent ratios

They are equivalent because the result of the divisions is the same.

Step-by-step explanation:

Two ratios are equivalent if the division of the values gives the same result.

In this question:

5 divided by 1 is 5

15 divided by 3 is 5

Since the divisions gives the same results, the ratios are equivalent.

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

b

step-by-step explanation: