Answer:
C
Step-by-step explanation:
just took that
Answer:
multiply 5 times 3 that is equal to 15.
15 plus 8 is equal to 23 and add the x.
For this case we can define the following variable:
x: unknown number
We write the equation that models the problem:

From here, we clear the value of x.
We have then:

Answer:
Completing the sentence we have:
0.04 is 1/10 of 0.40