Answer:
128
Explanation:
You want the total number of bedrooms in a mix of 1-, 2-, and 3-bedroom apartments.
Bedrooms
The total number will be the sum of the products ...
1 × number of 1-bedroom apartments = 1 × 32 = 32
2 × number of 2-bedroom apartments = 2 × 24 = 48
3 × number of 3-bedroom apartments = 3 × 16 = 48
That total is ...
32 +48 +48 = 128
There are 128 bedrooms in the apartment building.