haileyunger23 haileyunger23

27-10-2019
Mathematics

contestada

Kylee’s first three test scores are 81, 75, and 77. What must kylee score on the next test to raise the average to 80?

Respuesta :

lopezwu21 lopezwu21

27-10-2019

Answer:

Kylee must get an 87 on her next test to raise her average grade to 80.

Step-by-step explanation:

Her previous tests average: 81+75+77=233

233÷3=77.7

If she gets a 87 on her next test, it averages: 81+75+77+87=320

320÷4=80

Answer Link

Otras preguntas

What would happen to the structure and order of the amino acids in the protein if the mRNA strand accidentally deleted one of the letters from its sequence?

What system includes oceans, lakes, rivers, and groundwater? a. geosphere b. hydrosphere c. atmosphere d. biosphere User: What device can be used to make measur

why are mountainer bring food water and light

what organisation in south africa that dealing with corruption and fraud (excluding saps ).evaluate if they are successful or not in excercising their mandate.

Use The elimination method a). 2x + 3y = 5 -3 + 2y = -14 b). 2x + y =6 3x + 5y = 16

which symbol makes -7/12 and -5/9 a true sentence

Write a fraction, less than 1, with a demoninator that is greater than 3/4

Which of the following authors wrote an autobiographical slave narrative

Evaluate three ways in which conflict can help to build positive relationships between youth and their parents

discuss personality factors how they influence effective communication