Translating Expressions and Equations
Seven less than a product of negative two and a number
-2x-7
3/4x-9=27
x=48
Bethany drove 50 miles on Monday, 72 miles on Tuesday, and 38 miles on Wednesday. What is the ratio of miles driven on Tuesday to the total miles driven over the three days?
9:20
What percent of 150 is 108?
72%
A pair of sandals is on sale for 20% off the original price. If the original price of the sandals is $21, what is the selling price?
$16.80
Eight more than the quotient of a number and three is five
x/3 +8=5
(x+13)/2=4
x=-5
Jade read a 324 page book in 12 days while it took her friend Mindy only 8. How many more pages a day did Mindy read than Jade?
13.5 more pages a day
What is 32% of 80?
25.6
Max wants to buy a new DVD player for $89.75. If sales tax is 8%, how much will he pay in total for the DVD player?
$96.93
negative one times the difference of two times a number 3 is 9
-(2x-3)=9
5-8(x+5)=-8x-35
Infinite Solutions
4/(2x-6)=(-5)/(x+11)
x=-1
14 is 8% of what number?
175
Jack made $30 mowing lawns in May and $72 mowing lawns in June. What was the percent of change in the amount he made from May to June? Classify this as a percent increase or decrease.
140% increase
the sum of half a number squared and 9 results in the difference of the number itself and 17
1/2x^2+9=x-17
|8v-12|=68
v=-7 and v=10
Kyle is shopping for his favorite cereal at the grocery store. The 9 ounce box costs $2.52 while the 12 ounce box costs $3.60. Which is the better deal?
DOUBLE JEOPARDY: How much will he save per ounce?
9 ounces
2 cents/ounce
Ally sold 18 boxes of girl scout cookies. This was 20% of the number of boxes that Kayla sold. How many boxes did Kayla sell?
90 boxes
A $129 golf club is on sale for 30% off. If sales tax is 6.25%, what will be the final selling price?
$95.94
the quotient of six and a number minus 1 is the same as the quotient of three and a number minus 5
6/(x-1)=3/(x-5)
1-6|28-4n|=-95
n=3 and n=11
Write the ratio in simplest form:
480 minutes to 2 days
1/6
56% of the students in chorus are also in the musical. If there are 75 students in chorus, how many are not in the musical?
33 students
Alex is buying a sweater that originally costs $35 and a pair of jeans that originally cost $28. If the sweater is marked down 30% and the jeans are marked down 15%, find the total cost, including 8% sales tax.
$52.16