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 Question from Marissa: I was sent home with a guess and check work sheet. i am not sure how i am sopouse to do this. plese tell me how.here is my question a sleeping bag and 2 mess kits costs $37.00.A mess kit and two sleeping bags cost$56.00 what is the cost of one sleeping bag.

Hi Marissa.

Here's how you do it:

1. Guess at the price of the sleeping bag: I will start by guessing it is $15. 2. Calculate how much the mess kits cost based on the guess and the first bill. The first bill is$37 and the sleeping bag is $15, so that leaves$22 for the mess kits. That makes each mess kit $11. 3. Check the costs of the two items with the second bill and see if they add up. The second bill is for one mess kit ($11) and 2 sleeping bags ($15+$15), so that adds up to $41 - much less than the actual cost of$56.
4. Go back to step 1 and adjust your guess for the cost of the sleeping bag - try to watch to see whether you should go up or down in your guess.

You should eventually find the price of both items.

Cheers,
Stephen La Rocque.

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