Emma was given 5 seashells. Each week she collected 3 more. Let w be the number of weeks Emma collects seashells and s be the number of seashells she has total. Which variable is independent, and which is dependent? Write an equation to model the relationship, and make a table to show how many seashells she has from week 4 to week 10.

Question

Mathematics

Patsy

4 September, 00:37

Emma was given 5 seashells. Each week she collected 3 more. Let w be the number of weeks Emma collects seashells and s be the number of seashells she has total. Which variable is independent, and which is dependent? Write an equation to model the relationship, and make a table to show how many seashells she has from week 4 to week 10.

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Nigel Williams · Answer 1

s=5+3w independent variable is 5+3w. Dependent variable is s, since the total depends on the amount of weeks plus the 5 seashells from the start. s=5+4 (3) = 17 s=5+5 (3) = 20 s=5+6 (3) = 23 s=5+7 (3) = 26 s=5+8 (3) = 29 s=5+9 (3) = 32 s=5+10 (3) = 35