asearles2 asearles2
  • 28-02-2021
  • Mathematics
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PLS HELP I NEED ANSWER ASAP!
PPLS BE RIGHT!

PLS HELP I NEED ANSWER ASAP PPLS BE RIGHT class=

Respuesta :

fnej
fnej fnej
  • 28-02-2021

Answer:

They used 6 vans and 3 buses

Step-by-step explanation:

x + y= 9

13x + 40y= 198

x= 9 - y

13(9 - y) + 40y= 198

117 - 13y + 40y= 198

27y= 81

y= 3

9-3= 6

Answer Link
soroya5959
soroya5959 soroya5959
  • 28-02-2021
There Were 6 Vans And 3 Buses.
6 x 13 = 78
3 x 40 = 120
120 + 78 = 198
Answer Link

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