Ian wanted to display some photos of his recent vacation to Surf City Beach. He used seashells he collected at the beach to decorate 7 picture frames. Ian used the same number of seashells to decorate each frame. He used 63 seashells in all.

Let s represent how many seashells Ian used to decorate each frame. Which equation models the problem?
Solve this equation to find how many seashells Ian used to decorate each frame.
seashells

1 answer

Let \( s \) represent the number of seashells Ian used to decorate each frame. Since he used the same number of seashells for each of the 7 frames and a total of 63 seashells, we can model the situation with the following equation:

\[ 7s = 63 \]

To find out how many seashells Ian used to decorate each frame, we will solve the equation for \( s \):

  1. Divide both sides of the equation by 7:

\[ s = \frac{63}{7} \]

  1. Calculate the right side:

\[ s = 9 \]

So, Ian used 9 seashells to decorate each frame.