Question

A glass is 2/5 full. Then 42cm3 of orange juice is poured in.
The glass is now 4/7 full. What is the total volume of the glass?​

Answer 1

Answer:

Step-by-step explanation:

(2/5)x + 42 = (4/7)x

(4/7 - 2/5)x = 42

(20/35 - 14/35)x = 42

(6/35)x = 42

x = 245 cm³