Level 3
In a dance audition of 80 dancers, the average score was 58.5 points. Given that the average score of the female dancers was 64 points and that of the male dancers was 56 points, find the number of male dancers who participated in the audition.
Level 3
Risa had a sum of money. She spent $308 on a blouse and 58 of the remainder on a windbreaker. She was left with 110 of the original sum of money.
Level 3
Mrs Lu had a sum of money. She gave her daughter $246 and gave 14 of the money to her niece. She used 34 of the remaining money on a computer and was left with 16 of the amount she had at first. What was the sum of money she had at first?
Level 3
Elyse bought some pens. She gave 16 of the pens to her cousin and sold 34 of the remaining pens. After that, she bought another 171 pens and had the same number of pens that she bought at first. How many pens did Elyse buy at first?
Level 3
Bryan bought some coupons for a funfair. He used 25 of the coupons on games and 37 of the remainder on food. He bought another 77 coupons and had 31 more coupons than he had at first. How many coupons did he have at first?
