Register
Average after 8 test is 91%. if he gets a 78% on his 9th test what will be the new acerage
207k views
4 votes
Average after 8 test is 91%. if he gets a 78% on his 9th test what will be the new acerage

User Bryanbcook
by
7.5k points

1 Answer

2 votes
All you need to do is add te averages together then divide them by 2. 91%+78%=169% 169%÷2=84.5% So the new test average is 84.5%
User Atomsfat
by
7.7k points
← Prev Question Next Question →

Related questions

User Paola
asked Aug 14, 2017 161k views
Cory’s average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be?
Paola asked Aug 14, 2017
by Paola
7.6k points
1 answer
4 votes
161k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!