Dantes cell phone company charges $45 per month for unlimited calls and internet use and $0.25 per text message. his last cell phone bill was $60.50. how many text messages did dante send the last month?

62 text messages.

Step-by-step explanation:

Let x represent number of text messages.

We have been given that Dante's cell phone company charges $45 per month for unlimited calls and internet use and $0.25 per text message.

The total cost of Dante's bill would be  

We have been given that last month Dante's bill was $60.50. We can represent this information in an equation as:

Therefore, Dante sent 62 text messages last month.

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have