Mean mark for a class is 70%

20 whom are boys

the boys get a mean mark of 62%

work out the mean mark for girls

1) Is the following pattern an arithmetic pattern, geometric pattern, or neither? Explain! 1000, 500, 250, 125, ... 2) What would the next number in the pattern be?

If gas costs $3.95 per gallon at a local service station, how many cubic feet of gas can a customer buy with $50

Molly invested $12,000 in an account with an interest rate of 6%. What is the amount in Molly's account after 6 years if the interest was compounded annually? A) $5,022.23B) $17,022.23C) $22,044.46D) $170,222.26

Gabriella is x years old. Her sister, Felicia, is six years older than she is. Their mother is twice as old as Felicia. Their aunt, Tanya, Is x years older that their mother. White and simplify an expression that represents Tanya's age in years

The Valley High School Auditorium is able to seat 8 elementary school groups of 65 students each. Use the distributive property to determine how many students they can seat.

Liam is setting up folding chairs for a meeting. If he arranges the chairs in 8 rows of the same length, he has 9 chairs left over. If he arranges the chairs in 6 rows of that same length, he has 21 left over. How many chairs does Liam have?

10 A person is selected randomly. What is the probability that the person was born on a Sunday? * 14.3% 20% 80% 85.7%

according to a recent study 8 out of every 500 americans are vegetarions in a group of 350npeople about how many would be vegetarion

Jack works in a supermarket. He earns $186 a week. How much does he earn in a 52 week year?

Convert the measurement to the specified equiv necessary. 46,745,534 yd? to mi?