Science App review

Problem: In science, we conduct many labs and experiments. Students could have a problem with dangerous chemicals. What would happen if one spilled? You should always know the chemical and be prepared before hand. Is there an app that could tell you all the dangers of the chemical you are using and what to do in case of an emergency? What would happen if something spilled or had a reaction when the teacher wasn’t there? Or what if something gets onto your skin and you…

Word problems with fractions

I am going on a trip to Oregon. The entire trip for a week will cost about $2400, which includes money for gas, camp sights, food and the cost for the places we visit, plus some extra in case of emergency.  The amount is 1/12 for the camp sights, 1/12 for the places that we visit, 1/3 for gas, 1/24 for extra souvenirs and things, 5/24 for food. a) How much money do we have over after the trip? b) How much money do I spend…