Question

Joseph uses 9 kg 500 g of cotton to make one mattress. How much cotton will he need t make 15 mattresses?​

Answer 1

142.5kg of cotton will be needed for 15 mattresses

Answer 2

9kg 500g in 1mattres

1kg =1000g

9kg*1000=9000+500g

for 15mattres =9500*15=142500

1g =1/1000

142500=142500/1000=

142kg 500g

for 15mattres 142 kg 500g