Question

Eva spent $11.61 downloading songs, each song cost $1.29. Four students wrote and solved equations to find s, the number of songs that she downloaded. Which student wrote and solved the equation correctly?

A. Seba’s work
1.29s=$11.61
S=10
B. Ari’s work
$1.29s=$11.61
S=9
C.Erick’s work
S/$1.29=11.61
S=14.98
D. Daniel’s work
S/$1.29=$11.61
S=9

Answer 1

answer b

Explanation:

i took test

Answer 2

Option B.

Explanation:

Let

s-----> the number of songs that Eva downloaded

we know that

The linear equation that represent the situation is

`1.29s=11.61`

Solve for s

Divide by 1.29 both sides

`s=11.61/1.29`

`s=9\ songs`

therefore

Ari's work is correct