Answer:
Total students = 48
Step-by-step explanation:
Let the common multiplier of the given ratios be x.
Therefore
Boys = 7x & Girls = x
[tex]7x = 42 \\ \\ x = \frac{42}{7} \\ \\ x = 6 \\ \implies \: 7x + x = 8x = 8 \times 6 = 48 \\ [/tex]
Hence, there are total 48 students in the school.
