Answer:
Marcus had saved $31.25.
Explanation:
Given:
Leonard and Marcus saved up a total of $47.00.
Leonard has saved 3 dollars less than 3/5s as much as Marcus.
Now, to get the amount Marcus saved.
Let the amount Marcus saved be

The amount Leonard saved =

And total they both saved = $47.00.
Now, to get the money Marcus saved:

Multiplying both sides by 5 we get:

Adding both sides by 15 we get:

Dividing both sides by 8 we get:

Therefore, Marcus had saved $31.25.