Write a situation to represent the untit rate as 20 and using the numbers 5 and 100

Bobby earns $9 per hour and $6 for each delivery he makes. He wants to earn more than $155 in an 8 - hour work day. What is the least number of deliveries that Bobby must make to reach his goal?

Consider two medical tests, A and B for a virus. Test A is 90% effective at recognizing the virus when it is present, but has a 5% false positive rate.

Sum of odd numbers from 1 to 100?

What is the sum of 3 times a number and 2

Julie wrote the rate $108 in 6 weeks as a unit rate. Determine her mistake and correct it.

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 55 miles per hour. The eastbound train travels at 75 miles per hour.

The cost of making n feet of cabinet is represented by c=12n+28. how many feet of cabinet are made when the cost is $148

Is 2/4 equal to 1/2 cup?

he original yield for the Monster Cookies recipe is 36 cookies. If we want to make 144 to serve at a party, what is the recipe conversion factor?

Which of the following shows the correct order of the numbers below? (1/2) ^2, 2/3, 0.45 a.) (1/2) ^2 < 0.45 < 2/3 b.) (1/2) ^2 < 2/3 < 0.45 c.) 0.45 < (1/2) ^2 < 2/3