Why did the Egyptians use Frontalism?

Is there a betterr way you can explain that?

Explanation:

he sent troops to protect the students as they entered the school.

the amount of the purse is, $120.

tax rate =9%

first find the the total tax she paid on the amount is equal to the 9% of $120 i.e,

now,

total amount paid by shalika = $120 +$10.8 = $130.8