Omiquestions Omiquestions

20-05-2018
Mathematics

contestada

A computer repair bill was $225.

This included $75 for parts and $50 for each hour of labor.

Find the number of hours of labor.

Respuesta :

cdw2014 cdw2014

20-05-2018

Let's write an equation to describe the situation:

25 + 50x = 225

Now solve for x (number of hours of labor):

25 - (25) + 50x = 225 - (25)

50x = 200

50x/(50) = 200/(50)

x = 4

The answer is 4 hours.

Answer Link

Otras preguntas

What percent of 300 is 90. Help please

When 5.175 g of lead are heated at 300 C the lead reacts with the oxygen in the air to produce 5.708 g of an oxide of lead. This is the only product. What is t

What is 5/6 divided by 3/4??

Animal cells and bacterial cells both may have all of the following cell structures except a. mitochondria. b. DNA. c. plasma membrane. d. ﬂagella.

What's the slant height of a regular pyramid or cone with the height of 15 cm and the base of 12 cm

What is the mass of a pure platinum disk with a volume of 113 cm3? The density of platinum is 21.4 g/cm3. Give your answer in grams and kilograms.

Describe how a disagreement over states' rights led to the beginning of the Civil War.

Is 9/16 close to 0, 1/2, or 2

John is in the third grade, he tells his teacher that he is a republican. What is the most likely reason for him to identify with that one party?Answer The t

All of the following helped Lincoln win a second term in office EXCEPT (A) Sherman’s successes in Georgia (B) rise in tariffs (C) Pacific Railway Acts of 1862 a