Marcus and Chloe are building a sand castle using the ideal mixture of sand and water. They have partly filled a container with the ideal mixture. Marcus adds 3 cups of sand to the container. How much water should Chloe add to keep the ideal ratio of water to sand? ExplainChloe should add cup(s) of water since using the equation and substituting ___ for (w or s) gives (w or s) = ___

Use the information given below, to compare the cost of operating two different vehicles for one month (4 weeks) you are considering two different cars. you drive to work, a 20 mile round trip, five days a week. gasoline costs you $1.50 per gallon car agets 28 miles per gallon, would have $300 a year in maintenance costs, and would cost you $1,500 per year to insure car b gets 19 miles per gallon, would have $500 a year in maintenance costs, and would cost you $1,000 per year to insure costs car a car b gas cost per month insurance cost per month maintenance cost per month $ total cost per month