1c = 16t = x(

)
1c = 16t = 16 X 3
1c = 16t = 48
She should use 48 teaspoons of broth.
So, it's just an annoying problem. Keep the tax rates in mind for each thing.
$70 of souvenirs mean the tax is 5% since it is not prepared food, lodging, or auto rentals.
$580 on prepared food means that has 7% tax because it is special.
$620 on the car has a 10% tax, as stated in the problem.
So do 70(1.05)+580(1.07)+620(1.1) to get $1376.1.0
Try to count your square and use the formula lxwxh