rony who is sixteen years old, is four times as old as her brother. How old will Mary be when he is twice as old as her brother?
2 answers
no idea. How old is Mary now?
Mary's age is 8
Given: 16-rony
Asked:age of mary
Solution:
16 is divided into 4 = 4 is the age of "her brother"
4 is multiplied by 2 = 8
16 represents the age of rony that is 4 times as old as her brother which is 4. Since Mary's age will be twice as her brother's age which is 4 so it's 8.
Given: 16-rony
Asked:age of mary
Solution:
16 is divided into 4 = 4 is the age of "her brother"
4 is multiplied by 2 = 8
16 represents the age of rony that is 4 times as old as her brother which is 4. Since Mary's age will be twice as her brother's age which is 4 so it's 8.
1 answer