Understand how to approach ratio word problems and practice with real-world example equations. Learn the unit rate definition and how to calculate unit rate and how to find unit price. See how ratios and unit rates are related. The referred lessons are the part of this online textbook under the topic “Systems of two linear equations in two unknowns”. Solve the equation algebraically to find the cost of a baseball cap., Write the reason that justifies each step, using if-then statements.

The total value of the coins in the jar is $4.80. Since the mixture uses 8 ounces of the 20% alcohol, the amount of 15% alcohol must be 1/4 of 8 ounces, which is 2 ounces. Try the free Mathway calculator and problem solver below to practice various math topics.

The referred lessons are the part of this online textbook under the topic “Coin problems”. The other tutor showed a good typical formal algebraic solution. Custom writing help for your homework, Academic Paper and Assignments from Academic writers all over the world at Tutorsonspot round the clock. Get unlimited, ad-free homework help with access to exclusive features and priority answers. What are the measures of central tendency?

Calculate the 5-unit moving average of each… Using the table, find the behavior modification as applied to business management is mainly based on average rate of… Utility is a type of function that occurs in…

Let c represent the cost of a baseball cap. Charlotte receives a weekly allowance from her parents. She spent half of this week’s allowance at the movies, but earned an additional $4 for performing extra chores. If she didn’t spend any additional money and finished the week with $12, what is Charlotte’s weekly allowance?

Learn how to find the mean, median, mode and range in a data set, how each is used in math and view examples. Learn how to find simple interest using the simple interest formula. Understand the formula’s variables, and practice calculating simple interest with examples. Discover how to calculate theoretical probability, and take a look at some practical theoretical probability examples. Learn the definition of an expression, the difference of expression vs. equation, and see an example of how to write an expression.