What is 12+15
27
What is 7×5
35
What is 51/3
17
If you have 10 oranges and eat 3, how many do you have left
7
How many sides does a triangle have
3
What is the perimeter of a square with sides of length 4 cm
16cm
Sarah buys 4 packs of pencils with 8 pencils in each pack. How many pencils does she have?
What is 56÷7
8
What is 75−28?
47
What is 93
729
x+y=6
x=4
x=4, y=2
x=3y
x+y=16
x=12, y=4
A shop sells 2 notebooks and 3 pens for $17, and 1 notebook and 2 pens for $9. Find the price of one notebook and one pen.
Notebook = $5, Pen = $2.
A farmer has 45 animals, consisting of chickens and cows. If there are 118 legs in total, how many chickens and cows does the farmer have?
23 chickens and 22 cows.
3x+2y=18
2x−y=1
x=4,y=3
4x−y=9
2x+y=7
x=2,y=3
A plane travels 3 hours against a headwind and covers 1200 miles. With the same wind, it covers 1500 miles in 3 hours. Find the plane’s speed in still air and the speed of the wind.
plane speed = 450 mph, Wind speed = 50 mph.
A total of $10 is made up of dimes and nickels. If there are 15 coins in total, how many of each coin are there?
10 dimes and 5 nickels.
If a pizza costs $12 and you buy 3 pizzas, how much will it cost in total?
$36
What is the area of a rectangle with a length of 8 cm and a width of 3 cm?
24cm
You have $50 and spend $15 on a book and $12 on a game. How much do you have left?
$23
What is 132 and 142?
169 and 196
How many degrees are in a right angle?
90 degrees
A container is filled with a solution that is 25% salt. Another container has a solution that is 40% salt. How much of each solution should be mixed to get 30 liters of a solution that is 32% salt?
16 liters of the 25% solution and 14 liters of the 40% solution.
2x+y=10
x=y+1
x=3,y=2