Question

3. 64·5% of 800 + 36·4% of 1500

= (?)2 t 38​

Answer 1

We have two parts in this question, the first is 64.5% of 800, and the other is 36.4% of 1500, we will individually calculate both, then add them to get our answer

64.5% of 800:

"of", in mathematics, can mean multiply, and % means "divide by hundred", so this becomes:

64.5/100 x 800

If we use calculator, we will get 516.

36.4% of 1500:

= 36.4/100 x 1500

= 546

Now we can add both of them:

= 546 + 516

= 1062 (Answer)