![bettybales1986](/avatars/16857.jpg)
bettybales1986
26.04.2021 •
Mathematics
Serena's mom is planning her birthday party. She bought balloons, plates, and cups. Serena's mom bought twice as many plates as cups. The number of balloons Serena's mom bought was half the number of cups.
Solved
Show answers
More tips
- F Food and Cooking How to Make Delicious Plov: Secrets and Recipes...
- S Sport How to Learn to Pull Up on Monkey Bars?...
- L Leisure and Entertainment Scrapbooking: What is it and Why is it Becoming More Popular?...
- C Computers and Internet Where did torrents.ru move to?...
- B Business and Finance Understanding Cash Flow: What It Is and How It Works...
- C Computers and Internet What Are Peers and Seeds in Torrenting?...
- H Health and Medicine 10 Simple Techniques on How to Boost Your Mood...
- G Goods and services How to Choose the Right High Chair for Your Baby?...
- S Style and Beauty Learn how to tie a keffiyeh on your head like a pro...
Answers on questions: Mathematics
- M Mathematics Chnician A says that horn frequency can range from 1,800 to 3,550 Hz. Technician B says that most horn circuits use a relay and the current through the relay coil is...
- M Mathematics Marilyn and Gene are painting a room. Marilyn can paint it in 1 hour less time than Gene. Together they can do the job in 4 hours. How long will it take Gene if he works...
- M Mathematics Which of these is a solution to the equation 2( x – 5) = 9 – 3 x + 6 + 8 + 3 x + 7? x = 80 x = 20 x = 40 x = 10...
- M Mathematics Step-by-Step Solutions begin on pagphing.2. y=x² - 4y = -3...
- M Mathematics Results of a survey of fifty students indicate that 30 like red jellybeans, 29 like green jellybeans, and 17 like both red and green jellybeans. How many of the students...
- M Mathematics Which fraction is equivalent to 8/30...
- M Mathematics The quadratic functions f(x) and g(x) are described as follows: f(x) = −2x2 + 9 x g(x) 0 −5 1 3 2 11 3 3 4 −5 which statement best compares the maximum value of the 2...
- M Mathematics What is the quotient of -1 4/5 and 2 1/4?...
- M Mathematics The altitude of an equilateral triangle is 18 inches. find the length of a side...
- M Mathematics Of the 1,640 students enrolled at school, 50% come to school by bus,35% come to school by car, and the rest of the students walk to school. how many students walk to...
Ответ:
Commissions:
Accessoriy: $2
Phone: $9
Step-by-step explanation:
18p + 21a = 204
6p + 14a = 82
21a = 42
a = 2
p = [82 - 14(2)]/6 = 9