PLZZZ ASAPPPP

A youth group wenton trip to EXPO Dubai Travelling in two Vans. The number of people in each van and the total cost of admission are shown in the table.Find the adult price and student price of admission(Not Exact charges)

PLZZZ ASAPPPP A youth group wenton trip to EXPO Dubai Travelling in two Vans The number of people in each van and the total cost of admission are shown in the t class=

Respuesta :

Refer to the attachment

Ver imagen Аноним
  • A = Adult
  • B = Student

Soo :

2a + 3b = 325

2a + 7b = 505 -

-4b = -180

4b = 180

b = 45

[tex] \: [/tex]

2a + 3b = 325

2a + 3(45) = 325

2a + 135 = 325

2a = 325 - 135

2a = 190

a = 95

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