Problem: it cost $8 25 for 15 oranges What is the cost of 1 orange
Solution:
the cost of 1 orange is given by the following division:
[tex]c\text{ = }\frac{8.25}{15}\text{ = 0.55}[/tex]that is $0.55 per orange.
1) follow the following rule:
it is correct 16 /80 = 0.2
2)
[tex]c\text{ = }\frac{12}{30}\text{ = }0.4[/tex]3)
[tex]c\text{ = }\frac{5}{160}\text{ = }0.031[/tex]