Question

4a+6a+5a how to do this sum​

Answer 1

Answer:

4a+6a+5a=15a

Step-by-step explanation:

4a+6a+5a

= (4a+6a)+5a

=10a+5a

=15a

Answer 2

Answer:

15a is the answer

Step-by-step explanation:

Because a+a =2a mean number of a = number of noumber

So, 4a mean (a+a+a+a)

6a mean (a+a+a+a+a+a)

and, 5a mean (a+a+a+a+a)

There are (a+a+a+a) + (a+a+a+a+a+a) + (a+a+a+a+a) = 15a