21.5 means 21 and 5 tenths and is read that way.
21.5 = 21 5/10 =(21*10 + 5) /10 = 215/10 = 43/2 in simplest terms
The answer would be the first option
because the size of the shape is not altered
Answer:
1 guide to 15 tourist
common factor is 8. Hence divide both numbers by 8 to get the simplest form
180 grams. 10 grams are used for every cup of Robusta coffee. Then add 20% more for Arabica. 10x15=150+30=180
