Will give brainliest!

1.Explain two ways to calculate the total cost of an item if you know the sales tax rate and the item's cost.

2.Write the two multiplication equations that can be formed using your unit rates above. Tell when you would choose to use one over the other and why.

3.Make a table of 4 additional speeds equivalent to 50 miles per hour.

4.Write the three forms of the distance formula.

Tyler went to the supermarket to buy food for a food pantry. he has $36, and can carry up to 20 pounds of food in his backpack. pasta costs $1 for a 1-pound package. pasta sauce costs $3 for a 1.5 pound jar. let x = the number of packages of pasta and y = the number of jars of pasta sauce. one package of pasta is the right amount to go with one jar of pasta sauce. what is the best numbers of packages of pasta and jars of pasta sauce to buy for the food pantry? how many packages of pasta? how many jars of pasta sauce? explain your reasoning.