Homework Help: 7th grade math Ms. Sue please check

Posted by Delilah on Monday, November 5, 2012 at 10:16pm.

#1 Write the ratio in the simplest form. 30 : 6

15 : 3
6 : 6
5 : 1
2 :3

#2 Write the ratio in the simplest form.
96 : 12

1 : 8
48 : 6
32 : 4
8 : 1

#3 Solve the proportion.

x/3 = 4/6

x = 2
x = 4
x = 6
x = 8

#4 Solve the proportion.
2/y = 3/12

x = 2
x = 4
x = 6
x = 8

#5 Solve the proportion.

12/4 = x/9

x = 27
x = 3
x = 9
x = 29

#6 Find the unit rate for 255 miles in 10 hours.

0.0392 miles/hour
25.5 miles/hour
2550 miles/hour

#7 In 3 months 65.4 gallons of gas were used. Find the unit rate.

21.8 gallons/month
0.046 gallons/month
392.4 gallons/month

#8 The sides of a rectangle are increased by a scale factor of 3. The perimeter of the smaller rectangle is 15 in. What is the perimeter of the larger rectangle?

5 in.
45 in.
35 in.
15 in.

#9 The width of a picture is 30 in. Using a copy machine, you reduce the width of the picture to 2 cm. What is the scale factor of the dilation?

1 / 2
1 / 3
1 / 10
1 / 15

My answers:
1. 5:1
2. 8:1
3. x = 2
4. x = 8
5. x = 27
6. 25.5 miles/hour
7. 0.046 gallons/month
8. 45 in.
9. 1/15

7th grade math Ms. Sue please check - Ms. Sue, Monday, November 5, 2012 at 10:22pm
7. is wrong.

8. I don't know.

9. I think there's an error in your problem.

The other answers are right.

Answer this Question

Related Questions

7th grade math help Ms.Sue ratios please - Write each ratio in simplest form. 1...
7th grade math - Write the ratio of 1 silver dollar to 3 quarters in simplest ...
7th grade math - Write the ratio of 1 silver dollar to 3 quarters in simplest ...
math 6th grade - I need to write the percent as a fraction in the simplest form...
7th grade - how do i write the ratio of 9 nickles to 3 quaters in simplest form
7th grade math Ms.Sue please check my answers - 1. Mac’s farm has a total ...
MATH - Write each of the following ratios in simplest form. 1. The ratio of 5 3/...
Math for Steve - 1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3...
math - write the ratio as a fraction in simplest form 80:300 A)1/5 B)1/4 c)4 D)4...
Math - I need help please A computer can execute 64 instructions per second. How...

For Further Reading

First Name:
School Subject:
Answer: