📘 arithmetic

1. The problem is to evaluate the expression $17 - 8 \frac{9}{11}$. 2. First, convert the mixed number $8 \frac{9}{11}$ to an improper fraction. The formula is $a \frac{b}{c} = \fr

1. The problem is to subtract the mixed numbers $13 \frac{1}{4}$ and $3 \frac{3}{4}$.\n\n2. First, convert the mixed numbers to improper fractions.\n\n$$13 \frac{1}{4} = \frac{13 \

1. **State the problem:** We need to divide 14.9 by 5. 2. **Formula used:** Division is the operation of determining how many times one number is contained within another. Here, we

1. The problem asks: Carlos arranges 15 action figures in rows of 3. How many rows does Carlos make? 2. To find the number of rows, we use the division formula:

1. The problem is to multiply 9.73 by 5.1. 2. The multiplication formula is straightforward: $a \times b = c$ where $a=9.73$ and $b=5.1$.

1. The problem is to find the value of the expression 52. 2. Since 52 is a single number, the value is simply 52.

1. The problem is to multiply 983 by 46. 2. The formula for multiplication is $a \times b = c$, where $a$ and $b$ are the numbers to multiply.

1. The problem is to multiply 243 by 43. 2. The multiplication formula is $a \times b = c$, where $a=243$ and $b=43$.

1. The problem is to multiply 9 by 57. 2. The formula for multiplication is $a \times b = c$, where $a$ and $b$ are numbers and $c$ is their product.

1. **State the problem:** Calculate the product of 58 and 6. 2. **Use the multiplication formula:** For any two numbers $a$ and $b$, the product is $a \times b$.

1. The problem is to represent the numbers 0.2, 1.4, 3.6, 1.9, and 3.3 on a number line. 2. A number line is a straight line where each point corresponds to a real number. Numbers

1. **State the problem:** Calculate the value of $9 \div 0.25$. 2. **Formula and rules:** Division of numbers can be rewritten as multiplication by the reciprocal. That is, $a \div

1. **State the problem:** We need to find the sum of the given list of numbers. 2. **List the numbers:** 24000, 150000, 56000, 23000, 110000, 43000, 75400, 165000, 70000, 12000, 23

1. **State the problem:** Calculate the value of the expression $0.1809 - 2.81 + 1.1883$. 2. **Apply the order of operations:** Since this is a simple addition and subtraction from

1. The user states the value is 21 13/80, which is a mixed number. 2. To understand or convert this, recall that a mixed number consists of a whole number and a fraction.

1. The problem is to evaluate the expression $4\div 3$. 2. Division means splitting a number into equal parts. Here, we want to split 4 into 3 equal parts.

1. The problem asks to express "three-quarter of a million" as a number. 2. "A million" means 1,000,000.

1. The problem asks to find one-quarter of a million. 2. One million is equal to 1000000.

1. The problem asks for the answer per casilla (per box or unit). 2. To solve this, we need to know the total amount and the number of casillas.

1. **State the problem:** We need to find the sum of the numbers $-\frac{3}{5}$, $-0.75$, and $4 \frac{7}{10}$. 2. **Convert all numbers to a common form:**

1. The problem is to calculate the product of 4 and 86. 2. The formula for multiplication is: