What is 25% of 200?
To calculate 25% of a number, multiply the number by 0.25.
If a train travels at 60 miles per hour, how far will it travel in 3 hours?
To calculate the distance, multiply speed by time (Distance = Speed × Time).
What is the sum of the angles in a triangle?
The sum of the interior angles of any triangle is always 180 degrees.
If a car travels 150 miles in 3 hours, what is its average speed?
To find average speed, divide the total distance by the total time (Speed = Distance ÷ Time).
A box contains 5 red balls, 3 green balls, and 2 blue balls. What is the probability of picking a green ball?
Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.
What is the square root of 144?
The square root of a number is a value that, when multiplied by itself, gives the original number.
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If a rectangle has a length of 8 cm and a width of 5 cm, what is its area?
To find the area of a rectangle, multiply the length by the width (Area = Length × Width).
What is the value of 5x + 2 = 17?
To solve for x, subtract 2 from both sides and then divide by 5.
If the ratio of boys to girls in a class is 2:3, how many girls are there if there are 20 boys?
To find the number of girls, use the ratio and cross-multiply to solve.