Ratios
At a carnival, there are 8 boys for every 3 girls waiting in line to climb the rock wall.
What is the ratio of girls to boys?
3 girls to 8 boys
3:8
3/8
What is 40% of 30?
12
What is the value of 1,608 ÷ 103 ?
1.608
I bought 2 toy cars for $1.25 each and 3 toy trucks for $1.70 each. How much did I spend?
$7.60
A cookie jar has 2 M&M cookies for every 5 chocolate chip cookies.
What is the ratio of chocolate chip cookies to total cookies in the jar?
5 chocolate cookies to 7 total cookies
5 to 7
5:7
5/7
25% of marbles in a bag are red. What is the fraction of red marbles in that bag?
1/4
Solve for x
2x = 36
x = 18
Jennifer went to lunch. Her bill was $12. If she tips 20%, how much did she leave for tip?
$2.40
Jackie is making bouquets for a wedding. There are 5 tulips for every 2 roses.
The ratio of __________ to _________ is 5:2.
tulips to roses
60% of students in Mr. Johns' class are boys. If there are 30 students in class, how many are boys?
18 boys
Write the algebraic expression for 3 times the sum of a number and 5.
3(n +5)
A motorcycle can go 50 miles using one gallon of gas. About how many gallons of gas will be used to go 150 kilometers?
(Note: 1 mile is approximately 1.6 kilometers.)
2 gallons
Kara's necklace contains 3 red beads for every 2 white beads in a necklace. If her necklace contains 20 beads, how would you determine how many red beads are in her necklace?
3/5 x 20
45 iPhone users have the calculator app on their phone. If there are 60 iPhone users in the store, what percentage of them have the calculator app on their phone?
75%
Simplify
72 – 24 ÷3 + 26
67
If Jeff had 10 pieces of candy, and Jamal had 6 pieces of candy, and Kris had 8 pieces of candy, how much would each person get if they combined the candy and divided it evenly among themselves?
8 pieces of candy each
In Justin's neighborhood, there are 4 dogs for every 1 cat. If there are 40 cats and dogs in the neighborhood, how many of them are dogs?
100 points bonus - How many are cats?
32 dogs
bonus: 8 cats
If 45% of a number, n, is 225, what is 74% of n?
370
Solve for a
9.5 - 2.8 + a = 20.2
a = 13.5
If Tim travels 20 miles in 4 hours, traveling at a constant speed, how far will he have traveled in the first 30 minutes?
2.5 miles