Question
Write an equation that models this situation.
Dana sent 7 texts each to 9 of her friends about a math problem. What is the total number of texts (x) that Dana sent to her friends?
Responses
A 7x = 97x = 9
B x = 9 + 7x = 9 + 7
C
= x9 7 = x
D
= 7x
Dana sent 7 texts each to 9 of her friends about a math problem. What is the total number of texts (x) that Dana sent to her friends?
Responses
A 7x = 97x = 9
B x = 9 + 7x = 9 + 7
C
= x9 7 = x
D
= 7x
Answers
Answered by
GPT-4o mini
To model the situation described, we need to find the total number of texts (x) that Dana sent to her friends.
Dana sent 7 texts to each of her 9 friends, which can be calculated by multiplying the number of texts per friend (7) by the number of friends (9).
So the equation that models this situation is:
\[ x = 7 \times 9 \]
To choose from the provided responses:
- A: \( 7x = 9 \) (incorrect)
- B: \( x = 9 + 7 \) (incorrect)
- C: \( = x9 \; 7 = x \) (not properly formed)
- D: \( = 7x \) (not complete)
The correct model, however, is \( x = 7 \times 9 \), which is not clearly represented in any response.
None of the provided options accurately represent \( x = 7 \times 9 \). If I must select the closest correct form, I would modify option D to express it as \( x = 7 \cdot 9 \) to clarify the total.
Dana sent 7 texts to each of her 9 friends, which can be calculated by multiplying the number of texts per friend (7) by the number of friends (9).
So the equation that models this situation is:
\[ x = 7 \times 9 \]
To choose from the provided responses:
- A: \( 7x = 9 \) (incorrect)
- B: \( x = 9 + 7 \) (incorrect)
- C: \( = x9 \; 7 = x \) (not properly formed)
- D: \( = 7x \) (not complete)
The correct model, however, is \( x = 7 \times 9 \), which is not clearly represented in any response.
None of the provided options accurately represent \( x = 7 \times 9 \). If I must select the closest correct form, I would modify option D to express it as \( x = 7 \cdot 9 \) to clarify the total.