subject
Mathematics, 30.01.2020 06:03 samchix9062

Janet has three times as many dimes as nickels and twice as many quarters as nickels. if she has $5.10 in all, how many nickels, dimes, and quarters does she have? if n represents the number of nickels janet has, which of the following equations could be used to solve the problem?
a). 5n + 10n + 25n = 510
b). n + 3n + 2n = 510
c). 5n + 30n + 50n = 510

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.
Answers: 2
question
Mathematics, 21.06.2019 19:30
Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.
Answers: 1
question
Mathematics, 21.06.2019 22:40
Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y
Answers: 1
question
Mathematics, 22.06.2019 01:30
Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.
Answers: 1
You know the right answer?
Janet has three times as many dimes as nickels and twice as many quarters as nickels. if she has $5....
Questions
Questions on the website: 13722360