Which equation matches the sentence?

Column A Column B

1.

Three less than 9 times a number is 21.

2.

The sum of 3 times a number and 9 is 21.

3.

The difference of 9 times a number and 3 is 21.

4.

Nine less than 3 times a number is 21.

A.

3n + 9 = 21

B.

9n - 3 = 21

C.

3n - 9 = 21

Question

Kiana Spence

29 July, 01:30

+2

Answers (1)

Know the Answer?

Judah Donaldson · Answer 1

Hello,

1: 9n-3=21 = = >B

2: 3n+9=21 = = >A

3: 9n-3=21 = = >B

4: 3n-9=21 = = >C

I wish to have understood all those sentences.

Which equation matches the sentence?Column A Column B1.Three less than 9 times a number is 21.2.The sum of 3 times a number and 9 is 21.3.The difference of 9 times a number and 3 is 21.4.Nine less than 3 times a number is 21.A.3n + 9 = 21B.9n - 3 = 21C.3n - 9 = 21