Following the order of operations (PEMDAS), solve the parentheses first: 4 + 5 = 9. Then multiply: 3 × 9 = 27.
The formula for the area of a rectangle is length × width. Multiply 8 × 5 to get 40 square inches.
To check equivalency, multiply the numerator and denominator of 3/4 by the same number. For 6/8, multiply by 2. For 9/12, multiply by 3. Both are equivalent to 3/4.
The digit in the tens place is 4. Since it is less than 5, round the hundreds digit (8) up to 9, resulting in 7,900.
Divide the total number of students (192) by the capacity of one bus (48). 192 ÷ 48 = 4. Therefore, 4 buses are needed.
