Level 3
40 children in a class sold an average of 19 artworks for charity. There were 8 more boys than girls in the class. The average number of artworks sold by the boys was 15. Find the average number of artworks sold by the girls.
Level 3
A confectionery sells chocolate chip cakes and blueberry cakes.
Raeann bought an equal number of chocolate chip cakes and blueberry cakes. She paid $80.80 more for the blueberry cakes and the chocolate chip cakes.
How many cakes did she buy?
How much did she spend altogether?
Level 3
A confectionery sells chocolate chip cakes and blueberry cakes.
Raeann bought an equal number of chocolate chip cakes and blueberry cakes. She paid $80.80 more for the blueberry cakes and the chocolate chip cakes.
Level 3
Olivia bought 3 home theater systems and 6 toasters. Each home theater system costs $280 more than each toaster. She spent 20% of her money on the toasters.
Level 3
Charlie bought $642 worth of staplers and pens. He bought thrice as many pens as staplers. He spent $334 more on pens than on staplers. Each stapler cost $1.60 more than each pen. Find the price of a stapler.
