Answer:

so the ratio of grade 5 and 6 is the same

2+3+3=8

then, 408÷8=51

Then, multiply the ratio to the 51

2×51=102

3×51=153

3×51=153

checking: 102+153+153=408

So the answer is there are 102 pupils attended in grade 4 and there are 153 pupils are attanded in grade 5 and grade 6.

Step-by-step explanation:

:)

Step-by-step explanation:

102 for grade four and

153 for grade 5 and 6