🧮 algebra

1. **State the problem:** We need to find the percent decrease in the population of a city from 2010 to 2020. 2. **Given data:**

1. **State the problem:** We need to find the percent increase when the deductible mileage cost increased from 59.9 cents to 66.9 cents in 2011. 2. **Formula for percent increase:*

1. **State the problem:** Caleb wants to find what percent of the total calories in a muffin comes from fat. 2. **Formula:** To find the percentage of calories from fat, use the fo

1. **State the problem:** We are given that one serving of wheat square cereal has 3 grams of fiber, which is 19% of the recommended daily amount. We need to find the total recomme

1. **State the problem:** We need to find what percent of 98 is 108.78. 2. **Identify the parts:** In percentage problems, the formula is:

1. The problem asks: What percent of 28 is 33.88? We need to find the percent, base, and amount. 2. Important definitions:

1. Staðsetning á vandamálinu: Finndu gildi eftirfarandi rótarstærða. 2. Formúla og reglur: Rót af jákvæðu tölugildi $a$ er sú tala $b$ þannig að $$b^2 = a$$

1. **State the problem:** We want to factor the expression $x^2$. 2. **Recall the factoring rule:** Factoring means expressing a polynomial as a product of simpler polynomials.

1. **Énoncé du problème :** On considère la fonction définie sur $\mathbb{R}$ par $f(x) = -0,4x^2 + 0,8x + 4,5$.

1. Das Problem: Wir sollen die x-Koordinate eines Punktes bestimmen, oft aus einer Gleichung oder einem geometrischen Zusammenhang. 2. Formel und Regeln: Wenn ein Punkt auf einer F

1. **Problem statement:** Solve the linear system using the Gleichsetzungsverfahren (substitution by setting equal). Given system 2a:

1. Het probleem is: Bereken $8$ gedeeld door $24$ op $6$. 2. We interpreteren "op 6" als machtsverheffen, dus we berekenen $\frac{8}{24^6}$.

1. **Stel het probleem vast:** We moeten controleren of de berekening van de vermenigvuldiging van breuken klopt, met als eindresultaat $\frac{-448}{15}$. 2. **Formule en regels:**

1. **Problem 23:** Simplify the expression $7a - (5a + 1) + 15$. 2. **Problem 24:** Simplify the expression $-4(x + 5y) - 2(2y - 1x)$.

1. **State the problem:** Simplify each algebraic expression given. 2. **Recall the distributive property:**

1. **Stating the problem:** We know that 42 meters of fabric cost 1050 euros. We want to find out how many meters of fabric can be bought with 450 euros. 2. **Formula used:** The c

1. **State the problem:** Solve for $x$ in the equation $x + 2 = 4$. 2. **Formula and rules:** To isolate $x$, subtract 2 from both sides of the equation. This uses the property of

1. **State the problem:** We need to find the possible amounts of food and supplies $f$ (in load units) that the catering van can carry, given the compound inequality: $$24,000 \le

1. **State the problem:** Tamika and Kevin each work two part-time jobs mowing lawns and raking yards. Tamika earns 10 per lawn and 5 per yard, wants to earn more than 200. Kevin e

1. **State the problem:** We want to find the number of days after July 1 when the average number of dogs and cats at the shelter is the same. 2. **Set up the equation:** The avera

1. **State the problem:** We are given the system of equations: $$2x + 6 = y$$