Ratios & Proportions
15 sheep and 7 goats. Ratio of sheep to goats?
15:7
A 12.5-oz bag of chips costs $4.75. Price per ounce?
$0.38
8 total slices, 6 eaten. What % is remaining?
25%
Is "5n + 4" an equation or an expression?
Expression
How many inches are in 3 yards?
108 inches
2 tbsp kernels for 4 cups popcorn. How many tbsp for 16 cups?
8 tablespoons
8 cookies for $10. How much for 6 cookies?
$7.50
A $50 game with an $18 discount. What is the % saved?
36%
10n + 7 = 7 + 10n is an example of which property?
Commutative Property
20 kilometers converted to miles (8 km \approx 5 miles)?
12.5 miles
100 cards total. 80 are football, the rest are baseball. Ratio of football to baseball?
4:1 (or 80:20)
A truck goes 338 miles on 52 gallons. Miles per gallon?
6.5 mpg
40 students represent 16% of total seats. Total seats?
250
Expression for "7 less than twice a number n"?
2n - 7
2 quarts cost $3.48. Cost of 1 pint? (2 qts = 4 pts)
$0.87
12 basketballs, 8 soccer balls, 4 volleyballs. Simplified ratio of soccer to basketball?
2:3
Store A: 4 for $5.88. Store B: 3 for $4.44. Which is cheaper per unit?
Store A ($1.47 vs $1.48)
Goal was $500, raised $550. What % of the goal was met?
110%
Simplify: 3(4x + 2) + 8
12x + 14
Biking 24 miles in 3 hours. Miles biked in 7 hours?
56 miles
A student reads 111 pages in 3 hours. Pages read in 5 hours?
185 pages
5 raffle tickets for $9. Total cost for 12 tickets?
$21.60
Paid $150, which was 60% of the original price. Original price?
$250
500 nails total. 32 per bookcase. Expression for nails left after x cases?
500 - 32x
Speed of 12 mph in feet per minute? (1 mile = 5,280 ft)
1,056 ft/min