The setting in the story begger boy

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

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.