Wanda earned $350 babysitting over the months of July and August. She earned $90 more in August than in July. How much did she earn babysitting in July? In August?

Mathematics ยท Fri Nov 18 2022

Answered on

To determine how much Wanda earned babysitting in July and August, let's follow these steps:

Step 1: We know that Wanda earned a total of $350 babysitting over the months of July and August.

Step 2: We also know that she earned $90 more in August than in July.

To find out how much she earned in July, let's assume that "X" represents the amount Wanda earned in July.

In that case, the amount she earned in August can be represented as "X + $90" since she earned $90 more in August.

Now, we can set up an equation to solve for "X":

X + (X + $90) = $350.

Simplifying the equation, we have:

2X + $90 = $350.

Subtracting $90 from both sides of the equation, we get:

2X = $350 - $90.

2X = $260.

Dividing both sides of the equation by 2, we find:

X = $130.

So, Wanda earned $130 babysitting in July.

To find out how much she earned in August, we substitute the value of X into the equation:

X + $90 = $130 + $90 = $220.

Therefore, Wanda earned $130 babysitting in July and $220 babysitting in August.


When solving this problem, we used algebraic equations to represent the unknown amounts earned in July and August. By setting up and solving the equation, we were able to find the values of X and X + $90. This approach allows us to solve similar problems where we have multiple unknowns and equations.