Answer:
4.96*6.57*8.02*2.31=603.716984464
b
Step-by-step explanation:
240 students
Grade 7 : Grade 8 = 5 : 3
Number of seventh grade students = 5x
Number of Eighth grade students = 3x
3x = 90
x = 90÷3
x = 30
Total students = 5x + 3x = 8x = 8 * 30 = 240
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Hope this helps!
