Word problem
A toy originally costs $20. It is on sale for 25% off. What is the sale price of the toy?
$15.
If two lines are parallel, what is the relationship between their gradients?
They are the same.
Simplify the expression: 3(2x−4)+5x
11x-12
What do you call a baby owl?
An owlet.
Sarah drives 60 miles in 2 hours. What is her average speed in miles per hour?
30 miles per hour.
If two lines are perpendicular, what is the relationship between their gradients?
They are negative reciprocal. OR Their product is negative 1.
A bag contains 3 red balls, 4 blue balls, and 5 green balls. What is the probability of drawing a blue ball?
4/12 =1/3
How many toes do cats have on their back paws?
Four
A notebook costs $3 and a pen costs $2. If you buy 2 notebooks and 3 pens, how much do you spend in total?
$12.
In equation y = 2x - 1, find the gradient and y-intercept.
m=2, c=-1
What is the sum of the exterior angles of any polygon?
360 degrees
What is the national animal of Scotland?
Unicorn.
Two numbers add up to 10. One of the numbers is three times the other. What are the numbers?
2.5, 7.5
If two lines are perpendicular, gradient of one is 2, what is the gradient of the other one?
-1/2
What is the least common multiple (LCM) of 54 and 24?
216
Can you really see the Great Wall of China from space?
NO
If the total cost of 3 pens and 4 notebooks is $24, and each notebook costs $3, what is the cost of each pen?
$4.
Convert the equation 2y+4x+6=0 into gradient-intercept form.
y=-2x-3
A man is 4 times as old as his son. In 5 years, he will be 3 times as old as his son. How old are they now?
Father = 40 years, Son = 10 years
How to spell my last name?
Yu