There are 20 oranges in a box and 15 apples. Write a ratio of apples to oranges.
15/20 -> Simplify. 3/4, 3 to 4, 3:4
100
You shot 250 hoops (Basketball) in 50 minutes. How many hoops did you shoot in one minute?
5 hoops
100
A pack of curtains at Lowes cost $12.35 for two curtains. A pack of curtains at Menards cost $12.50 for four curtains.
Which is the better buy?
Lowes or Menards?
Lowes - $6.18 each
Menards - $3.13 each
MENARDS!
100
3/4 = 9/n
n = 13
100
The probability that it will snow today is 40%. What is the probability that it will not snow?
60%
200
At the Holiday party, there were 4 reindeer sweaters, 8 snowman sweaters, 3 snowflake sweaters, and 10 tree sweaters. What is the ratio of reindeer sweaters to tree sweaters?
4/10 -> Simplify 2/5
200
We road tripped to Omaha. We drove 50 miles on 2.5 gallons of gas. How many miles did we go per gallon?
20 miles
200
Big Blue's Jolly Ranchers cost $4.95 for a bag of 50 jolly ranchers. Wally's Jolly Ranchers cost $3.33 for a bag of 28 jolly ranchers.
Which is the better buy? Big Blue's or Wally's?
Big Blue's - $0.10 each
Wally's - $0.12 each
BIG BLUE'S
200
5/15 = (n+8)/9
n = -5
200
The probability that we will have a snow day this week is 0.123. What is the probability that we will NOT have a snow day?
1- 0.123 = 0.877
300
The fabric for a blanket was $3.20 per foot. How much would it be for a yard?
$3.20/ 1ft = x/ 1yd
$9.60
300
2/5 = 12/n
n=30
300
2/n = 5/25
n = 10
300
HOLIDAYS-Without replacing the letters. Vowels (A, E, I, O, U, Y)
Find P(vowel) =
Find P(H) =
Find P(A, then S) =
Find P(L, then L) =
P(vowel) = 4/8 = 1/2
P(H) = 1/8
P(A, then S) = 1/8 x 1/7 = 1/56
P(L, then L) = 1/8 x 0/8 = 0
300
The probability on Tuesdays that Jessy will miss her free throw is 20%. On Fridays, the probability that she will her free throw is 40%. What is the probability that she misses her free throw on both days?
.2 x .4 = .08
20% x 40% = 8%
400
The runner ran 10 meters every 3 seconds. How many meters could he run in 1 minute?
10m/2sec = x/1min
300 meters
400
(n-2)/2 = 50/20
n = 7
400
n/4 = 18/72
n = 1
400
You have a bag of M&M's There are 5 red, 6 blue, 4 green, and 5 yellow. You take one out, eat it, and take another one. Find the following probabilities.
P(red, green) =
P(both blue) =
P(red, green) = 5/20 x 4/19 = 4/76
P(both blue) = 6/20 x 5/19 = 3/38
400
Manhal was going on a business trip. He could choose from flying out on Sunday or Monday. He could choose flying from Denver, Lincoln, Omaha, or Kansas. He could choose from Delta, American Airlines, or Southwest. What's the probability that he flew out from Omaha on Sunday through Southwest?
1/2 x 1/4 x 1/3 = 1/24
500
The pilot flew 49 planes every week. How many did he fly per day?
49 planes/ 1 week = ? / 1 day
7 planes every day.
500
24/n = 30/100
n = 80
500
24/6 = (n+1)/5
n = 19
500
The words "LET IT SNOW" are in a bag. You pick a letter out and REPLACE it.
P(t, then another t) =
P(e, then an o) =
P(t, then another t) = 2/9 x 2/9 = 4/81
P(e, then an o) = 1/9 x 1/9 = 1/81