Mark needs 3 ⅛ pounds of seed to fill the birdfeeders in his backyard, but he only has 1 ½ pounds of seeds. How much more seed does he need to buy? Options:

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 : )

the photograph is photographer and- in the process- ourselves.

step-by-step explanation: