Question

Henry has 15 lawns mowed out of 60 lawns. What percent of the lawns does Henry still have to mow?

Answer 1

Using is/of=%/100 15 lawns is what % of 60
15 over 60 = % over 100
Cross multiple and divide and you should get 25%
That percent means that 25% of the lawns are mowed, so 75%  of the lawns need to be mowed