LindseyN1
LindseyN1
02-05-2018
Mathematics
contestada
Can someone help me with #28?
Respuesta :
popalabdulqayou
popalabdulqayou
05-05-2018
28:
lets d is dimes and n nickels
4n=d
.05n+.1d=2.25
.05n+.1d=2.25
.05n+.4n=2.25
.45n=2.25
n= 5
d=4*5= 20
so 20 dimes and 5 nickles.
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
Which of these people might have performed trephination in the Inca Empire? A. A farmer B. A lawyer C. A politician D. A doctor
Fran has 7 sheets of paper for a colouring project. If she only uses 1/3 of a sheet of paper per drawing how many drawings can she make?
A town has a clock tower with a bell that tolls the number of hours of the day. (The bell will toll six times at 6 a. m. and six times at 6 p.m.) How many times
Which of the following is correct in regard to the use of formal English? A. In formal business correspondence, it's best keep the language impersonal. B. Contr
The Supreme Court under Chief Justice Earl Warren (1953—1969) is considered one of the most liberal in United States history because it (1) worked effectively w
Which elements are malleable and good conductors of electricity?(1) iodine and silver (2) iodine and xenon (3) tin and silver (4) tin and xenon
Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?
Moving a length of copper wire through a magnetic field may cause the wire to have a (1) potential difference across it (2) lower temperature (3) lower resistiv
An animals genetic makeup can influence its behavior true or false
Atoms of I-131 spontaneously decay when the(1) stable nuclei emit alpha particles (2) stable nuclei emit beta particles (3) unstable nuclei emit alpha particles
