IM 7.5.13 Practice: Expressions with Rational Numbers
The value of is . Order these expressions from least to greatest:
Here are four expressions that have the value : Write a sum that has the value .
Write a difference that has the value .
Write a product that has the value .
Write a quotient that has the value .
Write an expression that involves at least two operations that has the value .
Find the value of each expression.
The price of an ice cream cone is $3.25, but it costs $3.51 with tax. What is the sales tax rate?
Two students are both working on the same problem: A box of laundry soap has 25% more soap in its new box. The new box holds 2 kg. How much soap did the old box hold?
Do you agree with either of them? Explain or show your reasoning.
A coffee maker’s directions say to use 2 tablespoons of ground coffee for every 6 ounces of water. How much coffee should you use for 33 ounces of water?
A runner is running a 10 km race. It takes her 17.5 minutes to reach the 2.5 km mark. At that rate, how long will it take her to run the whole race?