Percentage Problem( Week 40 Practice)
1. Jackson and his brother collected Pokemon cards. The number of the cards Jackson collected is 20% of the number of the cards his brother has. If Jackson has 26 cards, how many cards does his brother have? 2. A shirt was charged $1.65 with a 5% sales tax rate included. What was the cost of the shirt(in dollars)before the tax was included? 3. The tickets for a concert cost $20 each. However, children can get a 20% discount. A group of 18 people consisting of children and adults paid a total of $316 for the concert. How many children were there in the group? 4. 6 pounds of alcohol and 14 pounds of pure water are mixed to make an alcohol solution. What is the alcohol percentage by weight in the solution?