Shirley has earned $148 doing chores, but she wants to have earned at least $200 by the end of the week. if she does chores every day for the next 7 days and earns the same amount each day, at least how much should she earn doing chores each day?

Shirley earns atleast $7.43 doing chores each day .

Step-by-step explanation:

As given

Shirley has earned $148 doing chores, but she wants to have earned at least $200 by the end of the week.

If she does chores every day for the next 7 days and earns the same amount each day .

Let us assume that the  same amount each day  be x .

Equation becomes

Amount Shirley earns + 7 × x  ≥ Total amount Shirley wants to earn

Put all the values in the formula

148 + 7x ≥ 200

7x ≥ 200 - 148

7x ≥ 52

Therefore Shirley earns atleast $7.43 doing chores each day .