Level 3
Vincent always saves 30% of his monthly salary. His salary for December was 40% less than that for November. His savings for December decreased by $138 as a result. What was his salary in November?
Level 3
At a wedding function, the ratio of the number of men to the number of women was 13 : 5. If 35% of the women left, what percentage of the men must leave so that there will be an equal number of men and women remaining?
Level 3
During a survey, some people responded that they preferred badminton to other sports. The ratio of the number of women to the number of men who liked badminton was 3 : 1. The ratio of the number of people who liked badminton to those who disliked it was 3 : 1. If 20% of the people who did not like badminton were women, what was the ratio of the number of men to the number of women chosen for the survey?
Level 3
In a supermarket, 65% of the number of vegetables sold were carrots and the rest were potatoes. Each carrot cost 50¢ and each potato cost 10¢ less than the cost of each carrot. Given that $195.30 was collected from the sale of the fruits,
how many carrot were sold?
how much was collected from the sale of the potatoes only?
