antonyukromeo
antonyukromeo antonyukromeo
  • 23-05-2020
  • Mathematics
contestada

Please help with this!

Please help with this class=

Respuesta :

SvetkaChem
SvetkaChem SvetkaChem
  • 23-05-2020

Answer:

166 quarters,  40 dimes

Step-by-step explanation:

x - quarters

y - dimes

      x  +        y =  206

0.25x + 0.10y = 45.50

y = 206 - x

0.25x + 0.10(206 - x) = 45.50

0.25x + 20.6 - 0.10x = 45.50

0.15x = 45.50 - 20.6

0.15 x = 24.9

x = 24.9/ 0.15 = 166 quarters

y =206 - 166 = 40 dimes

Check:

0.25*166+ 0.10*40 = 45.50

45.50 = 45.50

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