The cost of 12 pens is 6.36. Work out the cost of 9 pens

$6.36 Divided by 12 = $0.53
$0.53 X 9 = $4.77
Conclusion: 9 pens cost $4.77

I can't math right now

$4.77

To find the cost of 9 pens, first, divide the total cost of 12 pens by 12 to find the price per pen:

6.36 ÷ 12 = 0.53 per pen.

Then multiply the price per pen by 9:

0.53 × 9 = 4.77.

So, the cost of 9 pens is 4.77. It’s a simple calculation, but it’s also fun to think about how ancient methods, like using the Chinese Gender Calendar, also simplify things in their own way. You can quickly predict your baby’s gender based on the lunar calendar—just like working out math problems See More easily! Check it out at https://chinesegendercalendar.net/

If 12 pens cost 6.36, then each pen costs 6.36 ÷ 12 = 0.53, so 9 pens would cost 0.53 × 9 = 4.77. I actually double-checked it using https://icalculadoraonline.com.br/ — they’ve got all kinds of handy calculators in one place, perfect for quick math like this.

To work out the cost of 9 pens, you can first divide the cost of 12 pens by 12, which gives you the cost of one pen. Then, multiply that by 9. In this case, 6.36 ÷ 12 = 0.53 per pen. So, 0.53 × 9 = 4.77 for 9 pens. If you ever need quick help with calculations like this, https://calculatoradam.com/ has a wide range of tools to make math and finance problems a breeze!