Ch. 7 Ratios

Question 1

Find the area of the triangle

Accepted Answer

6 cm.

Question 2

Find the area of this shape

Accepted Answer

144 cm

Question 3

The ratio of boys to girls is 7:4. If there are 132 children, how many boys are ther

Accepted Answer

84

Question 4

There are 60peach trees, 35 apricot,20plum. What's the ratio of peach to plum to apricot trees?

Accepted Answer

12 : 4 : 7

Question 5

There are 24 female teachers and 10 male teachers.What's the ratio of male teachers to females?

Accepted Answer

5 : 12

Question 6

The ratio for water-oatmeal is3:1. If 12c. of H20 are used, how many c. of oatmeal do you need?

Accepted Answer

4

Question 7

3 boys share money in the ratio 5:3:2. If the smallest share is $30, find the biggest.

Accepted Answer

$75

Question 8

Dan has $120. Tom has $20 less than Dan. What is the ratio of Tom's money to Dan's money?

Accepted Answer

5 : 6

Question 9

What is the product of 2/3 and 3?

Accepted Answer

2

Question 10

A 90 cm pole is painted green, white and black in the ratio 3:4:2. What length is green?

Accepted Answer

30 cm.

Question 11

The ratio of Tim's weight-Don's weight-Ali's weight is 8:5:4. If Don weighs 30kg, find total wt

Accepted Answer

102 kg.

Question 12

What is the ratio of turtles to total amount of animals?

Accepted Answer

5:8

Question 13

What is the ratio of triangles and circles to pentagons to octagons?

Accepted Answer

4 : 2 : 3

Question 14

Round 12,553,891 to the nearest million

Accepted Answer

13,000,000

Question 15

A 90 cm pole is painted green, white and black in the ratio 3:4:2. What length is black?

Accepted Answer

20 cm.

Questions 15