Question

A glass is 1/3 full. Then 40cm3 of orange juice is poured in. The glass is now 5/7 full. What is the total volume of the glass?

Answer 1

Step-by-step explanation:

Let the total volume of the glass be y.

Given that glass is 1y/3 full.

If 40cm³ of orange juice is added then the glass is 5y/7 full.. We can represent this by an equation that

y/3+40 = 5y/7

40 = 5y/7 - y/3

40 = 8y/21 and now

y = 40÷8/21

y = 40 × 21/8

y = 105 cm³

So the total volume of glass is 105cm³..

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Answer 2

Answer:

105 cubic cm

Step-by-step explanation:

1/3 V + 40 = 5/7 V

Therefore, 40 = 8/21 V

or V = 105 cubic cm.