[Question]: Jacob's water tank can hold up to 50 liters of water. Jacob collects water from the river and rain to fill his water tank. He can collect 800 milliliters of water from the rain and 1700 milliliters of water from the river every day. How many days does Jacob need to fill up his water tank?
[Answer]: Jacob collects 800 + 1700 = 2500 milliliters of water from the river and rain every day. Since 1 liter is equal to 1000 milliliters, then 50 liters is equal to 50x1000 = 50,000 milliliters of water. Therefore Jacob needs 50,000 / 2500 = 20 days to fill his water tank.
So the answer is 20.

[Question]: Walmart sells a multitool with a screwdriver, 3 knives, and two other tools. Target sells a multitool with a screwdriver, twice as many knives as Walmart, three files and a pair of scissors. How many more tools does the Target multitool have compared to Walmart?
[Answer]: First find the total number of tools in the Walmart multitool: 1 tool + 3 tools + 2 tools = 6 tools. Then find the total number of knives in the Target multitool: 3 knives * 2 = 6 knives. Then find the total number of tools in the Target multitool: 1 tool + 6 tools + 3 tools + 1 tool = 11 tools. Then subtract the number of tools in the Walmart multitool from the number in the Target multitool to find the difference: 11 tools - 6 tools = 5 tools.
So the answer is 5.

[Question]: Barbi lost 1.5 kilograms each month for a year. Luca lost 9 kilograms every year for 11 years. How many more kilograms did Luca lose than Barbi?
[Answer]:
Barbi = 1.5 * 12 months = 18 kg. Luca = 9 * 11 = 99 kg. 99 - 18 = 81 kg. Luca lost 81 kg more than Barbi.
So the answer is 81.