Lenny has $74. he spent $24 on video games, and $21 at the grocery store. how much does lenny have left? $

If you spend money, you have less money than before. Subtraction is the operation that describes this "taking quantities away".

So, you start with 74$. You spend 24$, so we have to subtract 24:

Then, you spend 21$. So, we have to subtract again:

So, you're left with 29$ after you buy the video game and the groceries.

Step-by-step explanation:

the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion.