We have a 630 ml mixture of milk and espresso in the ratio 7:2. How mu

1.	We have a 630 ml mixture of milk and espresso in the ratio 7:2. How much espresso must be added to make the ratio 7:3?
Answer» Answer: 70 ml Explanation: Let the common RATIO be x A.T.P. 7X+2X = 630ml 9x = 630ml x. = 630ml/9 x. = 70ml therefore , 7x = 490 ml 2x = 140 ml 3x = 210 ml since , 210 ml - 140 ml = 70 ml 70 ml should be ADDED to expresso Hope this helps ..❤️ Mark as brainliest

We have a 630 ml mixture of milk and espresso in the ratio 7:2. How much espresso must be added to make the ratio 7:3?

Answer»

Answer:

70 ml

Explanation:

Let the common RATIO be x

A.T.P.

7X+2X = 630ml

9x = 630ml

x. = 630ml/9

x. = 70ml

therefore , 7x = 490 ml

2x = 140 ml

3x = 210 ml

since , 210 ml - 140 ml = 70 ml

70 ml should be ADDED to expresso