Answer:
4
Step-by-step explanation:
10/100=0.1
1% = 0.1
0.1*40= 4
Step-by-step explanation:

Firstly we have to take variables to L.H.S and numbers to R.H.S

Hope it helps
Answer: There were 65 couples that attended the Valentine Dance.
0.45 (weight of each cupcake) *100 (number of cupcakes) = 45
The box of 100 cupcakes will weight 45 pounds. :)