Multiple what you have already: 36x25 = 900
Subtract that from how much you need to earn:
1620-900=720
Divide how much more money you need by how much money each car is:
720/36= 20
You need 20 more cars
Grade 7 : Yes = 2 , No = 3
Grade 8 : Yes = 1 , No = 4
1 1/4 hours. When you add them that’s what you get.
You probably mean either

or

Write 8 = 2³, so that in the first interpretation,

and in the second,

Then in the first interpretation, we have

Otherwise, the second interpretation gives
