Mathematics, 17.10.2019 12:00 musicqueen360

There are 15 boys and 10 girls in a hall, each holding a coin in there hand.
the mean number of coins for the children is 11.
the mean number of coins for the boys is 5.

work out the mean number of coins for the girls.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, kayleenfifep3hgi4

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Answers: 2

continue

Mathematics, 21.06.2019 16:30, aly2008

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

Answers: 2

continue

Mathematics, 21.06.2019 19:00, eparikh7317

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Answers: 1

continue

Mathematics, 21.06.2019 19:50, Sourcandy

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Answers: 1

continue

You know the right answer?

There are 15 boys and 10 girls in a hall, each holding a coin in there hand.
the mean number o...