Ratios
Simplify this ratio: 12:6
It can be simplified to 2:1
What is 25 percent of 40
It is 10
What is 33?
It is 27.
If a circle has a diameter of 9 what is the radius?
The radius is 4.5
What is x? 45 - x = 36
x=9
Kol is baking a cake. The recipe for the cake calls for 3 cups of sugar for every 5 cups of flour. If Kol puts in 25 cups of flour how much sugar did Kol put in his cake?
Kol put in 15 cups of sugar because he divided 5 by 25 which is 5 then he multiplied by 3 which is 15
Rafe is shopping for a new backpack that costs $50. The store is having a sale and is offering a 20% discount on all items. What will the final price of the backpack be after the discount?
The backpack will cost $40
What is 43?
It is 64.
What are the first 7 digits of pi?
3.141592
What is x? 56/x=8
X = 7
Nate is painting his room and needs to paint 3 walls. He needs 4.5 gallons per wall. How much gallons of paint should he buy?
3 times 4.5 is 13.5, so he would need 13.5 gallons of paint.
Lev is saving up for a bike that costs $600. He has already saved 40% of the total price. How much more money does Lev need to buy the bike?
Kol needs $360 more dollars to buy the bike.
What is 35?
It is 243
A circle has a radius of 15 cm. Calculate the area of the circle.
It is 706.5
What is x? 34 + x =52
x=18
Simplify this ratio: 99:120
It is 33:40
What is 25% of 480?
It is 120
What is 54?
It is 625
A circular fountain has a diameter of 24 feet. Calculate the area of the fountain.
It is 452.16
What is x? 144/x=12
x=12
Simplify this ratio: 840:2320
It is 21:58
What is 15% of 960?
It is 144
What is 64?
It is 1296
A circular pizza has a diameter of 12 inches. Using π ≈ 3.14, what is the area of the pizza?
It is 113.04
What is x? 457-x=324
x=133