Question

S15 = 15/2 × 42 find S15 ​

Answer 1

Answer:

15/3 × 42

=> 15 × 14

=> 210

Ans. 210

Step-by-step explanation:

Cut 42 by 3 we get 14 multiple 15 with 14 and you will get the ans.

Hope it helps.

Answer 2

Answer:

315

Step-by-step explanation:

First we divide 15 and 2 =7.5

then,

second we multiply 7.5 and 42 =315

finally the answer is 315

I think you understand.

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