To get a B in math Katie must average 80 on 5 tests. Scores on her first 4 tests were 88, 71, 64 and 90. What is the lowest score she can get on her fifth test and still get a B? Savings = $

Respuesta :

23rayb

Answer:

88

Step-by-step explanation:

you add all of her scores which is 313

then you divide by 4 to get 78.35

find the amount you need to bring the average up by calculateing different grades