Part II : StudentProduced Response Questions

The total number of marbles are
12x + 3x + 4x + x = 20x
Marbles Ratio
3 x
? 12 x
Ans : 36
 Since 1/4 of the student's shopping is done, 3/4 is left
shopping
done with her dad's money
shopping
done with her dad's money
shopping left to be done with her own allowance
Ans : 1/4
Ans : 16
19. Part of the mixture containing water = 7/21
= 1/3
Ans : 1/3
20. Number of feet it covers in a minute
=
= 3960
Ans : 3960
21.
Ans : 1/4
