Question

A group of students collect a number of shells on the beach. They sort the shells into three piles based on the size of each shell. Pile 1 has half as many shells as the total amount they collected. Pile 2 has 10 fewer shells than the first pile. Pile 3 has the remaining shells. Write an expression that represents the number of shells in Pile 2.

Answer 1

Answer:

The required expression is

Computation:

Let us that,

The number of shells in pile 1 be

The number of shells in pile 2 be

The number of shells in pile 3 be

Now,

The number of shells in pile 2 is 10 fewer than the number of shells in pile 1.

So, the expression is,

Step-by-step explanation:

Hope this helps :D