Simplify the fractions below

3/4 + 2/3

7/8 - 2/3

3/5 • 1/3

4/7 • 2/3

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.

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

Cortez is purchasing a patio heater for 161.65 including tax. he gives the sales clerk 2 fifty-dollar bills 2 twenty-dollar bills and 3 ten-dollar bills. how much should he receive in change?

Carmen worked h hours this week. If she works 7 more hours, how many hours will have worked? Write an algebraic expression that represents the total number of hours Carmen worked this week. If she gets paid $11.

When Bailey sells $2,400 worth of merchandise, she earns $204 as her commission. What percent commission does Bailey earn?