Real estate taxes in the city increased by 7.25% what decimal number would you use to figure the new real state tax

If 20% of a number is 35, what is 50% of that number?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Ling is using fraction strips to add 2/3 and 7/12's the sum is one whole plus how many twelves?