$\"\"$

Write an expression for $\"\"$ and worked at the grocery store for $\"\"$ .

Let $\"\"$ be jocelyn $\"\"$ s earnings per hours working at the grocery store.

If she worked $\"\"$ , then the total earnings she made working at the grocery can be expressed as $\"\"$ .

Let $\"\"$ be jocelyn $\"\"$ s earnings per hour babysitting.

If she babysat for $\"\"$ , then the total earnings she made babysitting can be $\"\"$ .

$\"\"$

$\"\"$ .

Thus, the expression is $\"\"$ .

$\"\"$

The expression is $\"\"$ .