Quarter 3 Test 3 XLIII. Ratios and Rates XLIV. Proportions XLV. Customary Units of Measure XLVI. Similar Figures
Jan 03, 2016
Quarter 3 Test 3
XLIII. Ratios and Rates
XLIV. Proportions
XLV. Customary Units of Measure
XLVI. Similar Figures
Oscar gets 2 hits out of his every 5 times he comes up to bat. How many hits would you expect him to have in 60 at bats?
2 x =
5 60
2(60)=5(x)120=5x 5 5x = 24 hits
Jason averages 4 earned runs for every 9 innings he pitches. How many earned runs would he have if he pitched 45 innings?
4 = x 9 45
4(45)=9(x)180=9x 9 9 x = 20 earned runs
In 1 hour Arthur hikes 3 miles. At the same rate, how long will it take him to hike 12 miles?
1 = x 3 12
1(12)=3(x)12=3x 3 3
x = 4 hours
4cm
6cm
6cm
n
4 = 6
6 n
6(6)=4(n)36=4n 4 4n = 9
The rectangles are similar. What is the length of n?
RST is similar to XYZ. What is the length of XY?
Y
ZXT
S
R 10m
14m10m
x
4m
4m
10 = 414 x
10(x)=14(4)10x= 5610 10 x = 5.6m
Find the length of h.
h
72cm
18cm
6cm
h = 672 18
18(h)=6(72)18h=432 18 18 h = 24cm
Compare. Write <,> or =.
1) 52ft_______18yd2) 5gal 2qt_______ 24qt3) 72in_______6ft4) 256oz______15lb 4oz5) 36lb________524oz6) 12T 850lb______25,000lb7) 100qt______25gal
1) <2) <3) =4) >5) >6) <7) =
Which is the Better Buy?Give the rate and the unit rate.
3 apples for $.75 or 9 apples for $2.10
$.75 = $.25
3 1$2.10 = $.23
9 1
The 9 apples for $2.10 is a better buy.
Customary Units of Measure
1) 3ft=_____ in.2) 24yd=_____ft3) 10,560ft=______m
i4) 4lb 15oz=______oz5) 7pt=________c6) 4.5T=_______lb7) 4 3/4lb=_______oz
1) 36in2) 72ft3) 2mi4) 79oz5) 14c6) 9000lb7) 76
If 2 ½ inches on a map represents 750 miles, how many miles are represented
by 4 inches?
2.5 = 4
750 x
x = 1200 miles
A mother giraffe is 18.7 feet tall. Her baby is 5.25 feet tall. The baby giraffe casts a shadow that is 35.7 feet long. How long is the mother giraffe’s
shadow?
height 18.7 = 5.25
shadow x 35.7
18.7(35.7) = 5.25 x
667.59 = 5.25 x
5.25 5.25
x = 127.16 ft