subject
Mathematics, 18.12.2019 16:31 Heyitsbrandi

Achild has a piggy bank that contains only quarters and dimes. altogether, there are 27 coins in the bank and the total value of the coins is $4.50. how many quarters and how many dimes are in the piggy bank?
a. write a system of linear equations based on the description. use x to represent the number of quarters and y to represent the number of dimes.
b. solve the system using the elimination method. show all the steps leading to your answer.
c. write 1-2 sentences to explain what the solution means for this situation.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Which statement best describes the expression 4y ÷ 9? (1 point) 9 divided by 4 times y 9 times y divided by 4 4 times y divided by 9 4 divided by 9 times y
Answers: 1
question
Mathematics, 21.06.2019 19:30
Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ÌŠ. how far is the man from the base of the bridge tower? with explanation and pictures .
Answers: 1
question
Mathematics, 21.06.2019 22:30
Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters
Answers: 1
question
Mathematics, 21.06.2019 23:00
Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?
Answers: 1
You know the right answer?
Achild has a piggy bank that contains only quarters and dimes. altogether, there are 27 coins in the...
Questions
question
Business, 18.04.2020 08:50
question
Mathematics, 18.04.2020 08:51