Alexandra has a stand in the marketplace where she sells ground cumin. She has a fixed amount of weekly expenses, and she sells her cumin for \$7.20$7.20dollar sign, 7, point, 20 per kilogram. If she sells 909090 kilograms of cumin, her weekly net profit is \$414$414dollar sign, 414.

Alexandra's weekly expenses is $234

Step-by-step explanation:

Selling price of 1 kg cumin = $7.20

She sells amount of cumin = 20 kg

Selling price of 90 kg cumin = 90 \times 7.20

Selling price of 90 kg cumin =648

We are given that his weekly profit is $414

We are supposed to find his weekly expense

So, Expense = SP - Profit

Expense = 648-414

Expense=$234

Hence Alexandra's weekly expenses is $234

its 69.420

step-by-step explanation:

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.