The mean mark for the class was 70%. There are 30 students in the class, 20 of whom are boys. The mean mark for the boys is 62%. What is the mean mark for the girls?
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “The mean mark for the class was 70%. There are 30 students in the class, 20 of whom are boys. The mean mark for the boys is 62%. What is ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
A number is 5 more than three times the other number. Twelve less than four times the smaller number equals three times the greater number. Find the number
Answers (1)
Which is the value of this expression when a=-2 and b=-3 (3a^-3b^2/2a^-1b^0)
Answers (1)
Tim earns $12 per hour as head lifeguard at Sammy's Swim Park. As a first year lifeguard Jack earns 30% less than Tim, and as a second year lifeguard Jim earns $1 more per hour than Jack.
Answers (1)
Richard receives a paycheck twice each month. Here's a copy of one of his pay statements. If there are 2 paydays per month, what is Richard's monthly net income?
Answers (1)
Six students share eight apples equally. how many apples does each student get?
Answers (2)
New Questions in Mathematics
Solve 5x-4=5 (x-3) + 11
Answers (1)
Kimberly traveled to her friend's house and went 300miles in 5 hour. On her way home she took a different route and trveled 420 miles in 7 hours. Are these ratios equivalent? Use proportion to show complete work.
Answers (2)
Which of the following scenarios will least negativity impact a credit score? A) Consistently making late payments B) Applying for many different credit cards C) Keeping a high balance on credit cards D) having a short credit history
Answers (1)
By p = {a factor of 50}
Answers (1)
What is the gcf of 45, 18, and 39?
Answers (2)