Question

if the cost of 7pens is '$84,find the cost of 19 pen​

Answer 1

Cost of a pen = 84/ 7

= 12$

Cost of 19 pen = 19×12

= 228$

Answer 2

It's quite easy ..

Here's the detailed steps:

Since 7 pens costs $84, the cost of a pen will be $74/7=$12

So for 19 pens, it'll cost $12×19=$228

Hope it helped u