subject
Mathematics, 15.04.2021 05:40 amanda7835

Money is invested in two accounts, twice as much in one paying 3% interest per year as in the other, which pays 4% interest per year. The total interest earned after one year is $140. If x is the amount invested at the 3% rate
and the y is the amount invested at the 4% rate, then write a system of equations that will have a solution that
gives the amount invested at each rate, and find the x and y?

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:20, gd9075
Which of the following describes how to translate the graph y = xi to obtain the graph of y = x - 11 - 12 1 unit left and 1 unit down 1 unit left and 1 unit up 1 unit right and 1 unit down 1 unit right and 1 unit up
Answers: 2
image
Mathematics, 21.06.2019 21:00, lizzoone
The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
Answers: 1
image
Mathematics, 21.06.2019 21:10, samiam61
Which question is not a good survey question? a. don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d. are you happy with the availability of electronic products in your state?
Answers: 2
image
Mathematics, 21.06.2019 21:50, safiyyahrahman8937
Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?
Answers: 1
You know the right answer?
Money is invested in two accounts, twice as much in one paying 3% interest per year as in the other,...

Questions in other subjects:

Konu
Mathematics, 28.04.2021 18:00
Konu
Engineering, 28.04.2021 18:00