Ratios and Proportions
What's one ratio equivalent to 5:3?
10:6, 15:9, 20:12, etc.
what is 30% of 50?
15
-3 + -2
-5
Will the decimal equivalent of 1/3 be a repeating or terminating decimal?
Repeating
-5 x 10
-50
I drive 85 miles in 5 hours. What is my average speed in miles per hour?
17 mph
33.3% increase
-9 - (-12)
3
0.375
one fourth as a percent
25%
Find the unit rate for the ratio 15:4
(what is the equivalent ratio ?:1)
3.75:1
How much is a 20% tip for a $24 meal?
$4.80
solve x + y - z when
x = -2
y = -5
z = -8
1
2/5 * -3/4
-3/10
3/5 - 0.6
0
Does the following show a proportional relationship?
3 hours: 180 miles
4 hours: 240 miles
5 hours: 320 miles
No
I earn 6% commission on sales and sell $350 of merchandise. How much commission do I make?
$21
(-5)2 * 8
200
-3/4 + 3/7
- 9/28
what's 50% of 64?
32
I painted 2 walls of a house in 5 hours. How long will it take me to paint the next 5 walls?
12.5 hours
I put $550 in the bank. I earn 4% simple interest every year. How much interest will I earn after 5 years?
$110
3 x (-4 + -8) - (-5)
-31
0.35 + - 1/6
11/60
-6 x 7 - 6 + 7
-41