Question

this is a two - part question. anna sells bracelets for $7 each. she spent $55 on supplies. she wants to know how many bracelets, (b), she needs to sell to make a profit. part a: which inequality represents the situation? 7b>250 + 55; 7b−55>250; 7b−55≥250; 7b≥250−55. part b: what is the minimum number of bracelets (b), anna needs to sell to make a profit of more than $250? 43 bracelets; 44 bracelets; 45 bracelets

Explanation:

Step1: Analizar la situación económica

El ingreso de Anna es $7b$ (donde $b$ es el número de pulseras vendidas), y los gastos son $55$. El beneficio es el ingreso menos los gastos. Quiere un beneficio mayor que $250$, entonces la desigualdad es $7b - 55>250$.

Step2: Resolver la desigualdad para $b$

Agregar 55 a ambos lados de la desigualdad $7b - 55>250$:
$7b-55 + 55>250 + 55$
$7b>305$
Dividir ambos lados por 7:
$b>\frac{305}{7}\approx43.57$

Answer:

Part A: $7b - 55>250$
Part B: 44 pulseras