Unit Rate/Proportions
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You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
$8 per pound
A new skateboard regularly priced at $125 is marked 35% off. What is the sale price of the skateboard?
$81.25
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-5 - (- 3)
-2
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What is the coefficient?
-9 + -5x
-5
Solve the equation:
-2.6 + x = -4.6
x = -2
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If Justin can type 408 words in 4 minutes, how many words can he type per minute?
102 words per minute
What is the total cost with sales tax?
Price - $17.95
Tax - 6%
$19.03
-32/8
-4
Distribute: 4(3b - 12)
12b - 48
Write an expression.
Anita needs at least a grade (g) of a 90 on her test to get an A in math class.
g ≥ 90
Which is the BETTER BUY?
A 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?
The 12 pack of Coke is the better buy!
$3.50/12 = $0.29
$1.80/6 = $0.30
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Daniel has dinner at a restaurant and the cost of his meal is $28.00. Because of the service, he wants to leave a 20% tip. What is his total bill including tip?
$33.60
A football team gained 12 yards on one play and then lost 42 yards on the next. Write a sum of integers to find the overall change in field position.
12 + (-42) = -30 yards
Simplify the expression: 2x + 1 + 7x
9x + 1
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Jim paid a gym membership fee of $50, plus $20 per month. Jim has paid a total of $290 to the gym. Write an equation to match the situation.
20m + 50 = 290
Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?
$20 for 10 pounds of hamburger
The number of people signed up for a bus trip increased from 32 to 45. What is the percent of change? Round to the nearest percent.
41% increase
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4⁄5 × 10⁄12 =
2⁄3
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Combine Like Terms:
3b + 7 - 2a + 6b - 4 + 12 - a
-3a + 9b + 15
y - 13 ≤ -15
y ≤ -2
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A dog eats .5 of a pound of food every 50 minutes, at this rate how many pound will the dog have eaten after 200 minutes.
2 pounds of dog food in 200 minutes
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Henry wants to buy a television set that costs $550. The TV is 20% off of the original price. The state sales tax is 8%. What will be the total cost of the television with discount and tax?
$475.20
In his garden Tim plants a tomato seed 5¼ inches below the ground. After one month the tomato plant has grown a total of 11½ in. How many inches is the plant above the ground?
6¼ inches
Find the difference (2x + 5) − (x + 4).
x + 1
***DOUBLE JEOPARDY***
-4x + 14 ≤ 54
x ≥ -10