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a punch recipe calls for orange juice and pop in the ratio of 2:5 the recipe requires 1L of Pop to serve 7 people

Ahow much orange juice is needed for 7 people?

b)about how much orange juice and pop do you need to serve 15 people? 20 people?

plz say how you answered this

Verified Answer :

O : P =>
2 : 5

(a)    1 liter of pop to serve 7 people

=>           5 units = 1

               1 unit = 1 / 5

Orange juice => 2 units

Hence, Orange juice needed is 2 1 / 5 = 0.4 liters

 

(b)    If 1 liter of pop is needed to serve
7 people, then we will need (1 / 7) 15 for 15 people

i.e. 2.14 liters

 

As the ratio of O : P = 2 : 5,

               5 units = 2.14

               1 units = 2.14 / 5

 

For Orange juice, we will need 2 * 2.14 / 5 = 0.856 liters for 15 people

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