Write the ratio in simplest fraction form:
175 mi in 3.5 hr
50mi/1 hr
200
d=
r= 12 km per hr
t= 40 hr
d=480 km
200
-3 + 5
What is 2
200
the product of some number and 4 then decreased by 3
4x -3
200
What would a 20% tip be on a bill that is $14.20?
$2. 84
300
Write two equivalent ratios for the fraction:
15/35
Answers will vary.
300
d= 220.8 yd
r=24 yd per min
t=
t= 9.2 min
300
(-5) x (-10)
50
300
half of a number divided by the square of that same number
1/2n / n^2
300
Write the fraction as a percent:
11/20
55%
400
Use cross products to solve for the variable.
3/6 = x/4
x=2
400
A cyclist travels 5 mi in 20 min. How far will be travel in 32 min.?
8 mi
400
14 - (-2)
16
400
three fourths of a number multiplied by the product of 6 and another number
3/4n(6 x m)
400
A hummingbirds heart may beat as fast as 6,300 times in 5 minutes or as slowly as 150 times in 180 seconds. How many times as great is a hummingbirds fastest heart rate than its slowest heart rate?
25.2 times as great
500
Charley and Mick spent the day on a sailboat that is 24 ft long. How many inches long is this boat.
What is 288 in
500
Joy ran 13 miles in in 3 1/4 hours. What was her average rate?
4 miles per hour
500
(-40) / (-4)
What is 10
500
An expression that shows two parts are equal is called an
equation
500
Sue had windows with ratios of width to length of 24/36, 32/48 and 38/57. Do all the ratios form proportions?