Ratio
Write the ratio as a fraction,and then write it in simplest form.
3 to 12
1/4
Solve x using cross multiplication.
20/30 = 5/x
7.5
50% of 60
30
What is the formula for volume?
L*w*h=v
Who is working at a faster rate? Mrs. Who is grading 30 papers in 3 hours or Mr. Don who is grading 70 papers in 6 hours.
Mr. Don
Write the ratio as a fraction,and then write it in simplest form.
25:30
5/6
If 3 liters of juice cost 3.75 , how much would 9 liters cost?
$11.25
_ of 40= 20
50%
Use the formula for volume to solve this equation
L=5
W=3
H=8
120
Which one is the better deal. Deal A = 40 Cotton balls for $3, or deal B = 60 for $5?
Deal A
In a bag of starbursts, the ratio of red to pink starbursts is 3:4. If the bag contains 120 red starburst how many pink starbursts are there?
160 pink starbursts
4 pounds of apples cost 5 dollars. How much would 10 pounds of apples cost?
$12.50
Solve for x
40% of x =30
X=75
Use the formula for volume to solve this equation
L=22
W=14
H=46
14,168
Sarah can wash 1 car in 20 minutes. How long will it take her to wash 50 cars.
16 hours and 40 minutes
The stores ratio to pineapple to watermelon is 6:11. If there are 138 pineapples, how many watermelons are there?
253 watermelons
A 12 ounce lemonade cost $1.32, how much would a 16 ounce lemonade cost?
$1.76
In a group of 35 students 7 students have yellow socks. What percentage of students have yellow socks?
20%
A goldfish box has a volume of 120. The width is 12 and the Height is 5. What is the length?
L=2
Which one is the better deal? Deal A = 6 calculators for $108 or Deal B = 8 calculators for $200.
Deal A
Larry has 98 strawberries. 1/7 of them are rotten. How many good strawberries does he have left?
84 good strawberries
A 32 pound box of cantaloupe cost $20.40, how much would a 12 pound box of cantaloupe cost?
$7.65
A football team plays 25 games, they win 32% of them. How many games did they win?
8
A cereal box has a volume of 360. The length is 20 and the Height is 8. What is the width?
W=2.25
Which one is the better deal?
Deal 1= 35 CDs for $490 or Deal 2 = 21 CDs for $210
Deal2