You'll use the chart to start your equation. There are 2000 grams to a kilogram. One batch is 1425grams. To get 2 kilograms she needs 2000 grams. So 2000-1425= your answer. For question 2, there are 1000 ml in 1 Liter. Use this information to see which will hold more liquid, 2 bottles or 8 cans.
If you divide 56 by 7 you get an answer of 8.
It would take 110 seconds or a minute and 40 seconds. 400 divided by 50 = 4...... 27.5 multiplied by 4 equals 110; therefore, the answer is mike would swim 400 meters in 110 seconds.
