Answer:
b
Step-by-step explanation:
lucky guess
Given :
a restaurant customer left a $1.95 as a tip.
The tax = 5%
the tip was 15% of the after-tax cost
So, the information that not needed is the tax
Let the total bill = x
so, 15% of x = 1.95
so, the total bill = $13
Y would equal 6.16.
We can use trigonometry and label AC as the hypotenuse and BC as the adjacent side.
This means we have to use the cosine ratio, cos = Adjacent/hypotenuse, and so to find the adjacent we must do cos(44.25) × 8.6, which is 6.16.
I hope this helps!
Answer:
El precio del saco del azúcar es de 72.
Step-by-step explanation:
Sean , los precios del saco de arroz y el saco de azúcar, respectivamente. A continuación, traducimos cada oración relevante en ecuaciones matemáticas:
(i) <em>El precio del saco de arroz es a 2 como el precio del saco de azúcar es a 3</em>:
Aquí se menciona una igualdad entre expresiones racionales, es decir:
(1)
(ii) <em>El producto de ambos precios es numéricamente 3456</em>:
(2)
Ahora resolvemos el sistema de ecuaciones, despejamos en (1):
Y la aplicamos en (2):
El precio del saco del azúcar es de 72.
Answer:
Step-by-step explanation:
P=8/13≈0.62