📘 arithmetic

1. The problem set provides multiple addition questions arranged vertically. Let's solve each by adding the numbers step-by-step. 2. Problem (9):

1. Let's clarify the problem: you want to understand how the numbers 7 and 21 were obtained. 2. Suppose we are dealing with multiplication or factors. Notice that 7 and 21 are rela

1. Let's clarify what "7" and "21" represent in your context. 2. If these are results from an operation like multiplication or addition, show the original numbers or equation you a

1. Problem: A shopkeeper buys an article for $200 and sells it for $250. Find the profit and profit percentage. Step 1: Calculate profit using the formula $$\text{Profit} = \text{S

1. The first problem asks for the value and place value of the digit 4 in the number 146,327. - The digit 4 is in the thousands place.

1. The digit 4 in the number 146327 is in the thousands place. - Its place value is 1000.

1. The problem asks to calculate \(\frac{20}{40} \times 30\). 2. Simplify the fraction \(\frac{20}{40}\) by dividing numerator and denominator by their greatest common divisor 20:

1. The problem is to find the sum of 1 and 1. 2. Addition means combining two numbers into a total amount.

1. Stating the problem: We need to multiply 250 by 49. 2. Break down the multiplication: 250 \times 49 = 250 \times (50 - 1)

1. **State the problem:** Four squirrels each have 30 berries, so the total number of berries is the sum of berries they each have.

1. Problem statement: Evaluate $2 \times 10 \times 10 \times 10_2 \times 10$.\n2. Interpret the notation $10_2$ as a binary number.\nIn base 2, $10_2$ equals $1\cdot 2^1 + 0\cdot 2

1. We are asked to perform the division of 436 kg by 2. 2. Set up the division: $$436 \div 2$$.

1. The problem is unclear in its current form, but it seems you may be asking if it is possible to do something with the numbers 3, 5, 15, and 2. 2. To clarify, let's consider some

1. **State the problem:** Calculate the value of the expression $$12.2 + 7.4 - 3.2 + 1.2 \times 2$$. 2. **Apply the order of operations:** Multiplication comes before addition and

1. **Nyatakan masalah:** Kita memiliki 111 lot dengan harga 390,58 per lot dan 200 lot dengan harga 300 per lot. Kita ingin menemukan harga rata-rata total. 2. **Hitung total biaya

1. **State the problem:** Add the fractions and mixed numbers: $\frac{7}{8} + 4 \frac{1}{4} + \frac{15}{16}$. 2. **Convert mixed number to improper fraction:**

1. The problem is to find the sum of 3 and 5. 2. We apply the addition operation to the numbers: $$3 + 5$$.

1. **State the problem:** We need to find the sum of the four mixed numbers representing rolls of fencing: $7 \frac{3}{4}$, $10 \frac{5}{6}$, $15 \frac{7}{12}$, and $6 \frac{2}{3}$

1. The problem asks to find the sum of 1 and 1. 2. Addition is combining two numbers into a single sum.

1. State the problem: Evaluate the expression $5 + 5$. 2. Add the two numbers: $5 + 5 = 10$.

1. **State the problem:** Estimate the product of 14 and 187 by rounding both numbers to 1 significant figure and then multiplying. 2. **Round 14 to 1 significant figure:** The num