diablo3
diablo3 diablo3
  • 04-04-2017
  • Mathematics
contestada

Jonathan has 136 coins in his collection of dimes and quarters. If the coins have a total value of $28, how many are dimes and how many are quarters?

Respuesta :

michelleazuara
michelleazuara michelleazuara
  • 04-04-2017
25x-10x=2800-1360
15x=1440
x=96 quarters
136-96=40 dimes 
ck
10(40)+96(25)=2800
400+2400=2800
2800=2800 
Answer Link

Otras preguntas

Which development shows a significant effect of modernization on the surrounding natural environment? destruction of ancient forests for new farmland in the No
elevated levels of ________ in the blood increase the risk of artery and heart diseases.
who wrote that christians were enslaved by blindness and ignorance?
How do you calculate a nation's per capita income?
DB is a diameter of circle O. If mACB = 30°, what is the mDBA? 30° 50° 60° 70° 90°
15=5-(c+7) solve the equation
solve the equation for b: b^-3= 1/64
Which statement best describes the expository text structure used in this paragraph? World War II cost the United States a million casualties and nearly 400,000
What is 35% of 125 and tell me how u got ur answer
round this number to two significant figures 72.8