A model of a doll is 16 cm tall. A smaller doll of the same proportion is 6 cm tall. The head on the larger model is 5.5 cm wide. How wide is the smaller doll's head?
2.1 cm wide
100
A store is 78 miles away. You drive 39 miles in the first hour. About what percent of the way have you traveled in the first hour?
50%
100
Carlos bought 6 packs of markers and 4 bottles of glitter. The markers cost $3.29 per pack and the glitter was $2.99 a bottle. Carlos used a 10% off coupon. How much did this cost him?
$28.53
100
Principal: $180
Rate: 3.0%
Time: 3 Months
$181.35
100
If a man dives 20% of the way down to the ocean floor, and he has 160 feet left to go, how far is he from the surface?
40 ft.
200
Do the following ratios for a proportion? If not, how can we make it a proportion?
10/15 = 2/3
Yes they do.
200
What percent of 90 is 18?
20%
200
How much would a $32.50 purchase cost with a 30% discount?
$22.75
200
Principal: $450
Rate: 8.0%
Time: 6 Months
$468
300
If a teddy bear has a height of 36 inches, and a proportional teddy bear has a height of 6 inches, how wide would the smaller bear be if the larger bear was 18 inches wide?
3 inches wide.
300
76% of what number is 38?
50
300
What would a $13.75 purchase plus a 4.5% tax cost?
If there is a blue print of a house that uses a ratio of 1 inch = 3 feet, how many inches long on the blueprint would a room be if in the actual building it was 54 feet long?
18 inches long.
400
15 is 30% of what number?
50
400
Write the missing value.
s= 30mph
d=
t= 2 hr
60 miles
400
Rosalind lent her brother $100. She is going to charge him 2.0% PER MONTH. If her brother pays back the loan in 6 months, how much will he end up paying?
$112.62
500
Use the scale 1 inch=3 feet to find the missing measure.
___ in. to 48 3/4 ft.
16 1/4 inches
500
65% of the 1,120 coins in Micheal's coin collection were minted before 1940. How many of his coins were minted after 1940?