What was the volume of mango drink in each glass?

[Johnx1]

Xinyi used 2 bottles of mango syrup and 9 litres of water to make a mango drink. There were n litres of mango syrup in each bottle and she then pouredthe mango drink equally into 20 glasses.

a) What was the volume of mango drink in each glass? Give your answer in terms of n.

my answer: (2n+9)/20b) There were 2 L of mango syrup in each bottle. How much mango drink did Xinyi make in all?

my answer: Since n is litters. 2 * 2 + 9 = 13

 

[MarkFL]

Xinyi used 2 bottles of mango syrup and 9 litres of water to make a mango drink. There were n litres of mango syrup in each bottle and she then pouredthe mango drink equally into 20 glasses.

a) What was the volume of mango drink in each glass? Give your answer in terms of n.

my answer: (2n+9)/20b) There were 2 L of mango syrup in each bottle. How much mango drink did Xinyi make in all?

my answer: Since n is litters. 2 * 2 + 9 = 13

Looks good! (Yes)

 

[HOI]

Xinyi used 2 bottles of mango syrup and 9 litres of water to make a mango drink. There were n litres of mango syrup in each bottle and she then pouredthe mango drink equally into 20 glasses.

a) What was the volume of mango drink in each glass? Give your answer in terms of n.

my answer: (2n+9)/20b) There were 2 L of mango syrup in each bottle. How much mango drink did Xinyi make in all?

my answer: Since n is litters. 2 * 2 + 9 = 13

I would say, rather, "since n is 2 liters, 2*2+ 9= 13 liters." The unit is important.