Fraction and Decimal Operations
0.65 / 0.87 =
0.7471
(-6) * (-11)
66
If the ratio of pigs to cows is 3:4, and there are 18 pigs, then how many cows are there?
24 cows
9/15 = x/60
Solve for x.
x = 36
What is 0.13 as a percent?
13%
3/4 - 5/8 =
1/8
60 / (-5)
-12
There are 63 pencils and 36 pens in a classroom. What is the ratio of pens to pencils, in simplest form?
4 to 7, 4:7, 4/7
If Landyn feeds his frog 1 bug-treat every 3 hours, how many bug-treats will he feed his frog in one day?
8 bug-treats
What is 5.2% as a decimal?
0.052
The J-Squad started with a whole pizza. Jamar and Jordan each ate 3/16 of the pizza, Joseph ate 5/32 of the pizza, and Jayleen ate 1/8 of the pizza. How much of the pizza was left over?
11/32 (or 0.34375)
(-5) + (-8) -10 + 17
-6
Give three ratios that are all equivalent to the ratio 3:10.
6:20, 9:30, 12:40, 15:50, 30:100, 300:1000, etc.
What is the equation for a proportional relationship? Which letter represents the constant of proportionality?
y = kx where k is the constant of proportionality.
What is 1/16 as a percent?
6.25%
(1/9) / [ (3/7) * (2/5) ]
35/54 = 0.648148
Add a positive, get more ______.
Add a negative, get more ______.
Subtract a positive, get more ______.
Subtract a negative, get more ______.
positive, negative, negative, positive
@ @ @ @ @ @
$ $
& & & &
What is the ratio (in simplest form) of & to @ to $?
2 to 3 to 1
2:3:1
Marcus's boss pays him $14 per hour of work. In addition, Marcus gets a monthly bonus of $50 even if he works 0 hours that month. Is the relationship between hours worked and dollars earned proportional?
What is 18% of 44?
7.92
J'la went shopping for a Halloween costume this weekend and found vampire teeth for an original price of only 95 cents. After a 20% Spooky Sunday discount, how many DOLLARS did J'la end up paying?
0.76 dollars (76 cents)
(-10) + [4 * (-5)] - (-3)
-27
Triangle ABC is similar to Triangle DEF. The ratio of ABC to DEF is 5:4. If side AB has length 35, what is the length of side DE?
28
A table shows that in 1 hour, a car traveled 50 miles. In 2 hours, it traveled 90 miles; in 3 hours, 130 miles; in 4 hours, 170 miles. Does this table represent a proportional relationship?
No! There is no "constant" k.
22 is 4% of what number?
550